Genius PBD - Mathematics Year 4

CONTENTS







Rekod Pencapaian Pentaksiran Murid iii – vi



UNIT 1 Numbers and Operations 1
Genius Notes PBD Module Summative Practice 1 Info Quiz


UNIT 2 Fractions, Decimals and Percentages 22
Genius Notes PBD Module Summative Practice 2 Info Quiz


UNIT 3 Money 40
Genius Notes PBD Module Summative Practice 3 Info Quiz



Mid-year Assessment 58


UNIT 4 Time 65
Genius Notes PBD Module Summative Practice 4 Info Simulation Quiz


UNIT 5 Length, Mass and Volume of Liquid 80
Genius Notes PBD Module Summative Practice 5 Quiz



UNIT 6 Space 96
Genius Notes PBD Module Summative Practice 6 Info Quiz


UNIT 7 Coordinates, Ratio and Proportion 109
Genius Notes PBD Module Summative Practice 7 Simulation Quiz


UNIT 8 Data Handling 122
Genius Notes PBD Module Summative Practice 8 Quiz


Year-end Assessment 132



Answers A1 - A8






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0a Contents Genius PBD Maths Yr4.indd 2 26/10/2022 2:42 PM

REKOD PENCAPAIAN PENTAKSIRAN MURID

Mathematics Year 4



Teacher’s name: Pupil’s name: Class:

Achievement
Performance
Unit Descriptor Page
level Not Yet
Achieved
Achieved
MATHEMATICS


• State any number up to 100 000.
1 • Read number sentences involving basic 2
operations and mixed operations.


1 2 • Explain the value of numbers up to 100 000. 3 – 5
• Explain the steps of solving basic operations and
mixed operations.
Numbers and
Operations

1.1 Number value • Determine the value of numbers including
1.2 Odd numbers estimating and rounding off numbers up to
and even 100 000.
numbers 3 • Justify answers and solve number sentences 4, 6,
1.3 Estimate involving basic operations and mixed operations. 7 – 14
1.4 Round off • Justify answers and solve number sentences
numbers involving value of unknown in addition and
1.5 Number subtraction.
patterns
1.6 Basic
operations within Solve daily routine problems involving whole
100 000 4 numbers, addition and subtraction up to 100 000 with 15, 18
1.7 Mixed one unknown.
operations
1.8 Usage of
unknown Solve daily routine problems involving whole
1.9 Problem 5 numbers, addition and subtraction up to 100 000 16, 17
solving using various strategies.


Solve daily non-routine problems involving whole
6 numbers, addition and subtraction up to 100 000 16
creatively and innovatively.

2 1 State improper fractions and mixed numbers. 23

Fractions,
Decimals and 2 Convert improper fractions to mixed numbers and 23, 24
Percentages vice versa.
2.1 Fractions
2.2 Decimals Solve number sentences of mixed operations of
2.3 Percentages 3 addition and subtraction involving whole numbers, 27, 28
2.4 Problem proper fractions and mixed numbers.
solving



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0b Rekod Genius PBD Maths Yr4.indd 3 26/10/2022 2:43 PM

4 Solve routine problems involving fractions, decimals 30 – 36
and percentages.



5 Solve routine problems involving fractions, decimals 37
and percentages using various strategies.

Solve non-routine problems involving fractions,
6 decimals and percentages creatively and 37
innovatively.


• Recognise currency of major countries in the
world.
3 1 • State the value of RM1 in the current rate currency 51
of other countries.
Money

3.1 Basic 2
operations Explain the need to record savings and expenditure. 48
involving money
3.2 Mixed
operations Justify answers and solve number sentences of
involving money 3 basic operations and mixed operations involving 41 – 47
3.3 Financial money.
management
3.4 Responsibility
in making financial 4 Solve daily routine problems involving money. 53, 54
decisions
3.5 Foreign
currency Solve daily routine problems involving money using
3.6 Payment 5 various strategies. 54
instruments
3.7 Problem
solving
6 Solve daily non-routine problems involving money 50
creatively and innovatively.

1 State the relationship between units of time. 68 – 70
4

2 Explain the steps of solving number sentences 66
Time involving units of time.
4.1 12-hour system
and 24-hour Justify answer and solve the number sentences
system 3 involving time. 71 – 74
4.2 Duration
4.3 Estimation of
time 4
4.4 Relationship Solve daily routine problems involving time. 75
involving units of
time
4.5 Basic 5 Solve daily routine problems involving time using 75
operations various strategies.
involving time
4.6 Problem
Solve daily non-routine problems involving time
6 creatively and innovatively. 76



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0b Rekod Genius PBD Maths Yr4.indd 4 26/10/2022 2:43 PM

State the relationship between millilitre and
1 centimetre, centimetre and metre, metre and 82
kilometre, gram and kilogram, and millilitre and litre.



Explain units for length, mass and volume of liquid 82, 88, 90
2
5 in measurement.
Length, Mass
and Volume of 3 Justify answer and solve the number sentences 84 – 91
Liquid involving measurement.

5.1 Length
5.2 Mass
5.3 Volume of 4 Solve daily routine problems involving measurement. 92
liquid
5.4 Problem
solving
Solve daily routine problems involving measurement
5 using various strategies. 92, 93



Solve daily non-routine problems involving
6 93
measurement creatively and innovatively.


• Recognise and name angles for rectangle, square
1 and triangle. 98, 99
• Identify parallel lines and perpendicular lines.


• State the characteristics of parallel lines and
perpendicular lines.
6 2 • State the meaning of perimeter, area and volume 99
using formula.
Space
6.1 Angles
6.2 Parallel lines • Draw parallel lines and perpendicular lines.
and perpendicular 3 • Calculate perimeter of polygons, area and 100 – 103
lines volume.
6.3 Perimeter and
area
6.4 Volume of a
solid 4 Solve daily routine problems involving space. 104
6.5 Problem
solving

Solve daily routine problems involving space using
5 105
various strategies.


Solve daily non-routine problems involving space
6 105
creatively and innovatively.



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0b Rekod Genius PBD Maths Yr4.indd 5 26/10/2022 2:43 PM

State:
1 • x-axis, y-axis and origin. 110
• Notation and meaning of unitary.


Explain the steps to:
• Read the coordinates of a point and mark the
2 point of the coordinates in the first quadrant. 111 – 113
• Determine the value based on the ratio given.
7 • Compare the value of one unit.

Coordinates,
Ratio and • Read the coordinates of a point and mark the
point of the coordinates in the first quadrant.
Proportion 3 • Determine a value based on the ratio given. 116
7.1 Coordinates in • Find the value using unitary methods.
the first quadrant
7.2 Ratio
7.3 Proportion Solve daily routine problems involving coordinates,
7.4 Problem 4 ratio and unitary methods. 117 – 119
solving


Solve daily routine problems involving coordinates,
5 ratio and unitary methods using various strategies. 119



Solve daily non-routine problems involving
6 coordinates, ratio and unitary methods creatively 119
and innovatively.


1 Read information from pictographs and bar charts. 123



2 Explain the steps to construct pictographs and bar 122
charts.


8 3 • Construct pictographs and bar charts. 123 – 125
• Interpret data from pictographs and bar charts.
Data Handling
8.1 Pictographs Solve daily routine problems involving pictographs
and bar charts 4 and bar charts. 126, 127
8.2 Problem
solving

Solve daily routine problems involving pictographs
5 and bar charts using various strategies. 128


Solve daily non-routine problems involving
6 pictographs and bar charts creatively and 129
innovatively.




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0b Rekod Genius PBD Maths Yr4.indd 6 26/10/2022 2:43 PM

UNIT 1 Numbers and Operations Theme: Numbers and Operations







Genius Notes Write 21 068 in words.



1. Place value and digit value of a number.
Example: 53 917

Digit 5 3 9 1 7
Place value ten thousands thousands hundreds tens ones
Digit value 50 000 3 000 900 10 7

2. Comparing numbers.
Example:

Ten Tips
thousands Thousands Hundreds Tens Ones • In ascending order, numbers are
arranged from the smallest value to the
3 7 6 9 1 largest value.
3 7 8 2 5 • In descending order, numbers are
arranged from the largest value to the
smallest value.
same 6 is smaller than 8
Compare the digits at hundreds because the digits at ten thousands and thousands are
the same. Thus, 37 691 is smaller than 37 825.

3. Even Numbers Odd Numbers
Numbers that have no remainder when Numbers that have a remainder when
divided by 2. divided by 2.
Any number that ends with 0, 2, 4, 6 or 8. Any number that ends with 1, 3, 5, 7 or 9.

4. Rounding off any number means giving the nearest value according to the desired place
value.
If the digit is 5 or more, add 1 to the
left of the digit. The digits after the
rounded off digit are replaced with 0
Identify the Observe the digit respectively.
desired place on the its right
value If the digit is less than 5, maintain the
digit on the left. The digits after the
rounded off digit are replaced with 0
respectively.
Info
Numbers and
operations





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01 Genius PBD Maths Yr4.indd 1 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

PBD MODULE 1.1 Number value Textbook pages: 1 – 8

LS 1.1.1 State numbers up to 100 000:
(i) Read any number given in words.
(ii) Say any number given in numerals.
(iii) Write numbers in numerals and words.
1. Say and match the given numbers with the correct words. LS 1.1.1(i) PL 1


56 942 One hundred thousand

Fifty-six thousand nine hundred and
65 704
forty-two
56 094 Sixty-five thousand seven hundred and
four
100 000 Fifty-six thousand and ninety-four



2. Read and circle the correct answer. LS 1.1.1(ii) PL 1

(a) Sixty-seven thousand two hundred and fifteen 67 025 67 215 67 251


(b) Thirty thousand two hundred and seven 30 270 30 207 3 207


(c) Forty-five thousand and ninety-eight 45 098 40 598 4 598



3. Write the following numbers in numerals and words. LS 1.1.1(iii) PL 1
(a) (b)












Ten Thousands Hundreds Tens Ones Ten Thousands Hundreds Tens Ones
thousands thousands










PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 2 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

LS 1.1.2 Determine the value of numbers up to 100 000:
(i) State the place value and digit value of any number.
(ii) Write numbers in extended notation based on place value and digit value.


4. Determine the place value for digit 4 and digit 7 in each of the following number.
LS 1.1.2(i) PL 2
Number The place value for digit 4 The place value for digit 7

(a) 59 647


(b) 70 415

(c) 47 186


(d) 34 721


5. State the digit value for the underlined digits. LS 1.1.2(i) PL 2


(a) 32 768 (e) 24 630



(b) 40 983 (f) 86 349


(c) 52 946 (g) 63 251



(d) 70 843 (h) 95 211



6. Partition the following numbers according to their digit values. LS 1.1.2(ii) PL 2

(a) 70 948 = + + +



(b) 93 245 = + + + +


(c) 68 724 = + + + +


(d) 20 509 = + +
Tips

0 can be left out when partitioning
numbers based on digit values.
PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 3 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

LS 1.1.2 Determine the value of numbers up to 100 000:
(ii) Write numbers in extended notation based on place value and digit value.
(iii) Compare the value of two numbers.
(iv) Arrange numbers in ascending and descending order.
(v) Complete any number sequence in ascending and descending order.

7. Partition the following numbers according to their place values. LS 1.1.2(ii) PL 2

(a) 36 219 = + + + +


(b) 70 940 = + + + +


(c) 69 044 = + + + +

8. Mark (✓) for the smallest number. LS 1.1.2(iii) PL 3
(a) (b) (c)
56 439 48 143 64 098 8 217 46 392 46 932




9. Circle the largest number. LS 1.1.2(iii) PL 3
(a) (b) (c)
69 143 96 563 72 149 9 482 86 094 86 099


10. Arrange the following numbers according to the given order. LS 1.1.2(iv) PL 3
(a) 50 948, 46 921, 76 492, 29 643
Ascending order:

(b) 56 728, 66 099, 63 291, 82 718

Ascending order:
(c) 29 172, 62 133, 49 948, 86 493

Descending order:
11. Underline the possible values for ascending order. LS 1.1.2(v) PL 3

(a) 56 419, 56 504, 57 096, 57 582, 58 602 , 58 594


(b) 12 094, 15 618, 24 189 , 20 916, 31 692, 36 094

12. Underline the possible values for descending order. LS 1.1.2(v) PL 3

(a) 26 493, 24 098, 22 193, 23 215, 21 094, 20 916

(b) 56 192, 56 342, 55 094, 54 415 , 54 112, 52 163


PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 4 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

PBD MODULE 1.2 Even numbers and odd numbers Textbook pages: 9 – 10

LS 1.2.1 Characterise odd numbers and even numbers.
LS 1.2.2 Classify odd numbers and even numbers.

13. Match the characteristics of the number below. LS 1.2.1 PL 2


Numbers that end with 1, 3, 5, 7
and 9. i-THINK Map


Even numbers Numbers that end with 0, 2, 4, 6,
and 8.




Numbers that have no remainder
Odd numbers when divided by 2.



Numbers that have a remainder
when divided by 2.


14. Classify the numbers below into even numbers and odd numbers.


LS 1.2.2 PL 2 Double Bubble Map

26 3 100 37 10 49
97 32 2 21 94 101
68 43 44 5



100
100
100
100
Even Odd
Numbers Numbers Numbers
100


100 100




PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 5 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

PBD MODULE 1.5 Number patterns Textbook pages: 11 – 12

LS 1.5.1 Identify patterns of number series in ascending and descending order by ones up to tens, hundreds, thousands and ten thousands.
LS 1.5.2 Complete various number patterns of number series in ascending and descending order by ones up to tens, hundreds, thousands and ten thousands.


15. Underline the correct answer. LS 1.5.1 PL 3

(a) 25 674 25 679 25 684 25 689


The number pattern (increases, decreases) by (fives, tens)

(b) 72 499 72 509 72 519 72 529

The number pattern (increases, decreases) by (tens, hundreds)


(c) 24 181 24 173 24 165 24 157
The number pattern (increases, decreases) by (eights, threes)



16. Determine the number patterns. LS 1.5.1 PL 3

(a) 57 147, 57 144, 57 141, 57 138

(b) 69 842, 69 942, 70 042, 70 142

(c) 29 172, 29 180, 29 188, 29 196


17. Complete the following number patterns. LS 1.5.2 PL 3


(a) 16 562 , 16 564 , 16 566 , ,



(b) 24 155 , 24 160 , , 24 170 ,



(c) 75 149 , 75 143 , 75 137 , ,



(d) , , 80 943 , 79 943 , 78 943



(e) 67 319 , 67 219 , , , 66 919



PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 6 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

PBD MODULE 1.3 Estimation Textbook pages: 13 – 14

LS 1.3.1 Give reasonable estimates for the quantity based on the given reference set and justify the answers.

18. Estimate. LS 1.3.1 PL 3

(a) Estimate the number of marbles in (b) Estimate the volume of water in
jar B. bottle Q.
i-THINK Map







Jar A Jar B Bottle P Bottle Q
100 marbles 1 litre
Estimation of the number of marbles Estimation of the volume of water in

in jar B is . bottle Q is .


PBD MODULE 1.4 Round off numbers Textbook pages: 15 – 17
LS 1.4.1 Round off whole numbers to the nearest ten thousands.


19. Complete. LS 1.4.1 PL 3 Bridge Map
(a) Round off to the
nearest hundred
becomes 5 679 12 347 52 091
as as
Relating factor


(b) Round off to the
nearest thousand
becomes 5 697 12 486 RM56 904
as as
Relating factor


20. Round off. LS 1.4.1 PL 3
nearest nearest nearest nearest ten
Number
tens hundreds thousands thousands
(a) 43 651

(b) 97 126

PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 7 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

PBD MODULE 1.6 Basic operations within 100 000 Textbook pages: 18 – 21

LS 1.6.1 Solve addition number sentences involving up to four numbers with the sum within 100 000.

21. Find the sum for each of the following. LS 1.6.1 PL 3

(a) (b) (c)


4 6 1 5 3 5 2 1 9 8 4 2 1 6 8
+ 2 1 7 2 9 + 7 2 1 9 2 1 0 9 8
+ 1 4 3 2 4




(d) (e) (f)

2 9 3 1 4 4 3 1 4 2 5 0 1 4 3
3 2 0 9 4 2 0 9 1 4 1 4 1 6 9
+ 5 0 1 4 1 3 2 1 4 2 1 4 3
+ 2 1 4 8 1 + 5 9






PBD MODULE 1.8 Usage of unknown Textbook pages: 22
LS 1.8.1 Determine the value of unknown in addition number sentences involving two numbers up to two digits with one unknown.


22. Find the value of M. LS 1.8.1 PL 3

(a) 45 + M = 98 (b) M + 36 = 72 (c) 72 + M = 81





















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 8 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

PBD MODULE 1.6 Basic operations within 100 000 Textbook pages: 23 – 26

LS 1.6.2 Solve subtraction number sentences involving two numbers within 100 000.
SP 1.6.3 Solve subtraction number sentences involving two numbers from any one number within 100 000.

23. Calculate each of the following. LS 1.6.2 LS 1.6.3 PL 3

(a) 30 948 – 2 493 (b) 45 000 – 3 200 (c) 90 000 – 1 290
= = =












(d) 84 132 – 21 094 (e) 79 109 – 64 321 (f) 100 000 – 24 716
– 38 944 = – 12 095 = – 32 195 =




















PBD MODULE 1.8 Usage of unknown Textbook pages: 27
LS 1.8.2 Determine the value of unknown in subtraction number sentences involving two numbers up to two digits with one unknown.

24. Find the value of Z. LS 1.8.2 PL 3

(a) 80 – Z = 29 (b) Z – 24 = 53 (c) 72 – Z = 49













PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 9 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

PBD MODULE 1.7 Mixed operations Textbook pages: 28 – 29

LS 1.7.1 Solve mixed operations number sentences involving addition and subtraction within 100 000.

25. Calculate. LS 1.7.1 PL 3


(a) 56 742 – 29 716 + 10 982 (b) 68 719 – 46 792 + 3 215
= =




























(c) 40 917 + 32 919 – 24 561 (d) 29 716 + 62 195 – 3 914
= =




























PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 10 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

PBD MODULE 1.6 Basic operations within 100 000 Textbook pages: 30 – 43

LS 1.6.4 Solve multiplication number sentences involving any number up to five digits by up to two-digit numbers, 100 and 1000 with the product up to 100 000.


26. Calculate. LS 1.6.4 PL 3

(a) 15 614 × 6 = (b) 9 672 × 9 = (c) 7 654 × 5 =




















(d) 947 × 63 = (e) 1 795 × 52 = (f) 467 × 49 =





















27. Write the product for each of the following. LS 1.6.4 PL 3


(a) 5 672 × 10 = (b) 6 985 × 10 =



(c) 425 × 100 = (d) 949 × 100 =



(e) 32 × 1 000 = (f) 60 × 1 000 =



PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 11 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

LS 1.6.5 Solve division number sentences involving any number within 100 000 by up to two-digit numbers, 100 and 1 000.


28. Solve. LS 1.6.5 PL 3


(a) 5 670 ÷ 10 = (b) 3 298 ÷ 10 =



(c) 37 900 ÷ 100 = (d) 4 698 ÷ 100 =



(e) 100 000 ÷ 1 000 = (f) 37 290 ÷ 1 000 =



29. Divide. LS 1.6.5 PL 3


(a) (b) (c)

8 4 3 4 5 6 7 6 3 2 9 4 2 1 0 6 5 8
















(d) (e) (f)


16 5 1 4 4 0 40 8 0 2 0 0 12 1 8 7 6 8

















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 12 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

LS 1.6.5 Solve division number sentences involving any number within 100 000 by up to two-digit numbers, 100 and 1 000.


30. Calculate. LS 1.6.5 PL 3


(a) 86 780 ÷ 9 (b) 61 875 ÷ 15
= =





























(c) 74 260 ÷ 24 (d) 89 075 ÷ 35
= =




























PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 13 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

PBD MODULE 1.7 Mixed operations Textbook pages: 44 – 47

LS 1.7.2 Solve mixed operations number sentences involving multiplication and division within 100 000.


31. Solve. LS 1.7.2 PL 3

(a) 2 020 × 12 ÷ 8 (b) 3 569 × 9 ÷ 15 (c) 98 553 ÷ 21 × 7
= = =



























































PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 14 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

PBD MODULE 1.9 Problem solving Textbook pages: 48 – 59

LS 1.9.1 Solve problems of whole numbers, mixed operations involving addition and subtraction, and mixed operations involving multiplication and division within
100 000 in daily situations.
Daily
32. Solve each of the following problem. LS 1.9.1 Application
(a) The table below shows the population of three towns P, Q and R.

Town P Q R
Population 24 198 17 498 32 094

Calculate the total population in the three towns. PL 4













(b) There are 1 246 rows of chairs in a hall. Each row has 15 chairs. Calculate the
total number of chairs in the hall. PL 4










(c) A total of 66 672 copies of newspapers was distributed equally to 18 districts.
How many copies of newspapers were received by 7 districts? PL 4

















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 15 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:
(d) The table below shows the number of pupils who enrolled to year 1 in three
areas in the year 2020.

Area Number of pupils

Klang 15 993
Gombak 3 426 pupils more than Klang
Petaling Perdana 7 150 pupils less than Gombak


Calculate the number of pupils who enrolled to year 1 in Petaling Perdana in the
year 2020. PL 5 HOTS Analysing






















(e) Raidah bought some beads and packed them equally into several packets. The
number of beads in each packet is 100. When she packed the last packet, which
is the 25th packet, the number of beads left are 75. Calculate the total number
of beads bought by Raidah. PL 6 Non- HOTS Applying
Routine






















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 16 27/10/2022 11:33 AM

Date: Mathematics Year 4 Unit 1 Numbers and Operations

LS 1.9.1 Solve problems of whole numbers, mixed operations involving addition and subtraction, and mixed operations involving multiplication and division within
100 000 in daily situations.

33. The diagram below shows the conversation between two nurses in a hospital.
LS 1.9.1 PL 5


Nurse Vivian, how many children will get vaccine in PICKids
programme this month?


There are 53 762 children from Cempaka City,
36 785 children from Teratai City, 12 769 children
from Orkid City and 72 480 children from Kenanga City.


Great. A lot of parents are concerned with their children
health.



(a) Write the smallest number of children between the four cities.





(b) Which cities have the number of children in even number?







(c) Divide the largest number of children by 20. The product is added with the
smallest number of children.




















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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01 Genius PBD Maths Yr4.indd 17 27/10/2022 11:33 AM

Mathematics Year 4 Unit 1 Numbers and Operations Date:

LS 1.9.2 Solve problems involving addition and subtraction with one unknown in daily situations.

Daily
34. Solve the following problems. Application LS 1.9.2 PL 4
(a) A total of 72 pieces of red and white balloons were used to decorate a stage. If
35 pieces were white, how many red balloons were used for the decoration?















(b) 15 boys and a number of girls were selected to represent the school for a
language competition. The total number of pupils selected are 42. Calculate the
number of girls selected.















(c) Teacher Maznan bought some notebooks. After giving 15 notebooks to his
pupils, he has 29 notebooks left. Calculate the number of notebooks bought by
him.


















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6

Teacher’s Signature: Date:


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01 Genius PBD Maths Yr4.indd 18 27/10/2022 11:33 AM

SUMMATIVE PRACTICE 1




Objective Questions



1. Which of the following will be 6 000 6. The diagram below shows Mr. Selva’s
when rounded off to the nearest statement.
thousand?
A 5 469 C 6 559 I bought a number of pens. 6 pens
B 5 569 D 6 659 are blue. The number of black pens
is 9. The remaining is 8 red pens.
2. 35 × 2 093 =
A 16 744 C 74 855 T is the total number of pens bought
B 73 255 D 78 855 by Mr. Selva. Which of the following
shows the correct number sentence
3. ÷ 49 = 564 remainder 14 based on the above statement?

A 27 622 C 27 650 HOTS Analysing
B 27 636 D 28 322 A T + 6 + 9 = 8
B T – 6 – 9 = 8
4. A factory produced 69 708 packets C T + 9 – 6 = 8
of biscuits. The factory distributed D T + 6 – 9 = 8
48 979 packets of biscuits to several
supermarkets and the remaining is 7. The diagram below shows a calendar
stored in the warehouse. Calculate of a particular month. A bakery sells
the number of biscuits that are still 3 095 cupcakes of different flavors per
stored in the warehouse. day. The bakery is closed on Tuesday
A 20 729 C 48 979 and Wednesday. Calculate the total
B 21 271 D 90 437 number of cupcakes sold by the
bakery in that month. HOTS Applying
5. The diagram below shows a box filled
with 36 bottles of drinking water. S M T W T F S
1 2 3 4
5 6 7 8 9 10 11
Drinking 12 13 14 15 16 17 18
water 19 20 21 22 23 24 25
26 27 28 29 30 31
A factory produces 5 400 bottles of
drinking water in an hour. The factory A 64 995
operates for 10 hours a day. Calculate B 68 090
the number of similar boxes needed C 71 185
to fit all the bottles of drinking water D 8 975
produced in a day.
A 15 C 1 500
B 150 D 19 440



19 © Penerbitan Pelangi Sdn. Bhd.






01 Genius PBD Maths Yr4.indd 19 27/10/2022 11:33 AM

Matematik Tahun 4 Unit 1 Nombor dan Operasi


Subjective Questions


1. The diagram below shows four number cards.


59 632 79 082 23 469 9 082

(a) State the digit value of the underlined digit. [1 mark]



(b) Calculate the difference between the largest number and the smallest number
in the diagram above. [2 marks]








2. The table below shows the number of visitors to National Museum in three months.

Month Number of visitors
May 1 496

June 2 863
July 10 942

(a) Form a five digit number from all the digit values of the underlined digits in the
table above. [1 mark]



(b) The entrance fee for each visitor is RM5. Calculate the total entrance fees for the
three months. [3 marks]















Gamified
Quiz 1






© Penerbitan Pelangi Sdn. Bhd. 20






01 Genius PBD Maths Yr4.indd 20 27/10/2022 11:33 AM

PAK-21 ACTIVITY






UNIT 1 Numbers and Operations


Travelling file
1. The diagram below shows the questions found in 3 files.

Salman has 213 pieces of Dalila has 3 245 beads A box contains 2 987 red
foreign country stamps of various colours. She marbles and some blue
and 317 Malaysian uses 345 red beads and marbles. The number
stamps. Calculate the 325 white beads to sew of blue marbles in the
total number of stamps on a dress. Calculate the box is 95 less than red
owned by Salman. number of remaining marbles. Calculate the
beads. total number of marbles
in the box.

File 1 File 2 File 3

• Form 3 groups.
• Each group is provided with a file and are asked to discuss the solution for the
question in the file and write it on a piece of paper within 10 to 15 minutes.
• Then, put the question and the answer into the file and pass them to another PAK-21 ACTIVITY
group.

• Each group receives a new file from other groups and required to discuss the
question and the answer in the file and make correction if any.

• After each group has commented on each file, discuss all questions comprehensively.

Worked example:
File 1 File 2 File 3
213 + 317 3 245 – 345 – 325 (2 987 – 95) + 2 987
= 530 = 2 575 = 5 879
1 2 12 8 18
2 1 3 3 2 4 5 2 9 8 7
+ 3 1 7 – 3 4 5 – 9 5
5 3 0 8 9 1 1
10 10 2 8 9 2
2 9 0 0 + 2 9 8 7
– 3 2 5 5 8 7 9
2 5 7 5







21 © Penerbitan Pelangi Sdn. Bhd.






01 Genius PBD Maths Yr4.indd 21 27/10/2022 11:33 AM

Theme: Measurement and Geometry
UNIT 5 Length, Mass and Volume of Liquid






Genius Notes Find the difference between
2 635 m and 4 km 52 m.


1. Length


The measurement of an object or the distance between two points




Units of length







Millimetre, mm Centimetre, cm Metre, m Kilometre, km






• Unit used to measure the • Unit used to measure • Unit used to
length or the height of a the length or the measure the
small object. height of objects distance.
• Example: mostly found in daily • Example:
the thickness of a book, life. the distance
the length of a pencil • Example: between Kuala
the length and the Lumpur to Johor,
width of a classroom, the length of
the height of Menara Penang Bridge
Kuala Lumpur
Relationship

× 10


cm mm Relationship
× 1 000
÷ 10
km m


÷ 1 000






© Penerbitan Pelangi Sdn. Bhd. 80






05 Genius PBD Maths Yr4.indd 80 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid


2. Mass
Units of mass




Gram, g Kilogram, kg


• Unit used to measure the • Unit used to measure the
mass of an object which is not mass of an object that is
too heavy. heavier.
• Example: • Example:
the mass of a marble the mass of a pupil




Relationship
× 1 000


kg g


÷ 1 000

3. Volume of liquid

Units of volume of liquid




Millilitre, ml Litre, l

• Unit used to measure the volume • Unit used to measure larger volume
of liquid with small quantity. of liquid.
• Example: • Example:
a spoon of cough syrup petrol






Relationship
× 1 000

l ml


÷ 1 000





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05 Genius PBD Maths Yr4.indd 81 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid Date:

PBD MODULE 5.1 Length Textbook pages: 171 – 183

LS 5.1.1 Recognise units of length involving millimetre and kilometre.
LS 5.1.2 State the relationship between units of length involving millimetre and centimetre, and metre and kilometre.
LS 5.1.3 Convert units of length involving millimetre and centimetre, and metre and kilometre.


1. State the unit used for length. LS 5.1.1 PL 1
Circle map

i-THINK Map Inch Centimetre





Litre
Milligram
Ounce Metre
Kilometre Pound Length
Foot Yard
Gallon Gram








2. Fill in the blanks. LS 5.1.1 LS 5.1.2 LS 5.1.3 PL 1

(a) 4 cm 8 mm = mm (b) 6 cm 2 mm = mm



(c) 20 cm 3 mm = mm (d) 500 mm = cm



(e) 402 mm = cm mm (f) 59 mm = cm mm



3. Complete. LS 5.1.1 LS 5.1.2 LS 5.1.3 PL 1

(a) 8 km 300 m = m (b) 50 km 290 m = m



(c) 12 km 50 m = m (d) 12 000 m = km


(e) 4 075 m = km m (f) 3 280 m = km m




PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



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05 Genius PBD Maths Yr4.indd 82 27/10/2022 10:16 AM

Date: Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid

LS 5.1.4 Measure objects in millimetre.
LS 5.1.5 Estimate distance in kilometre.


4. Measure and write the length of each of the following object. LS 5.1.4










0 mm 10 20 30 40 50 60 70 80 90


(a) Paper clip: mm


(b) Nail: mm


(c) Pencil: mm


5. Estimate the distance of each of the following. LS 5.1.5


School
Mosque
Ahmad’s Post
house Restaurant office





1 km


(a) The distance between Ahmad’s house and the restaurant m


(b) The distance between Ahmad’s house and the post office km


(c) The distance between the post office and the school km


(d) The distance between the school and the mosque m


(e) The distance travelled by Ahmad to the mosque through
the restaurant and the school m


PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



83 © Penerbitan Pelangi Sdn. Bhd.






05 Genius PBD Maths Yr4.indd 83 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid Date:

LS 5.1.6 Solve addition number sentences up to three units of length involving millimetre and centimetre, and metre and kilometre.

6. Add. LS 5.1.6 PL 3

(a) (b) (c)

cm mm
cm mm km m
4 3 1 7 8
+ 2 2 6 + 9 9 5 3 5 0
+ 3 9 7 5








7. Add. LS 5.1.6 PL 3


(a) 8 cm 4 mm + 2 cm 8 mm (b) 9 cm 6 mm + 15 mm + 7 cm 9 mm
+ 7 cm 2 mm = =

















(c) 9 km 200 m + 6 km 75 m + 800 m (d) 15 km 400 m + 1 800 m + 1 065 m
= =


















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



© Penerbitan Pelangi Sdn. Bhd. 84






05 Genius PBD Maths Yr4.indd 84 27/10/2022 10:16 AM

Date: Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid

LS 5.1.7 Solve subtraction number sentences up to two units of length from one unit of length involving millimetre and centimetre, and metre and kilometre.

8. Subtract. LS 5.1.7 PL 3


(a) (b) (c)
cm mm cm mm km m
1 5 9
– 6 7 2 5 3 7 9 6 0
– 1 1 8
– 5 6 7 5





9. Subtract. LS 5.1.7 PL 3


(a) 15 cm 8 mm − 2 cm 4 mm (b) 16 cm 4 mm – 24 mm – 5 cm
− 8 cm 7 mm = =


















(c) 7 km 800 m − 3 km 290 m (d) 12 km 820 m − 1 569 m
− 2 km 435 m = − 4 km 200 m =





















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



85 © Penerbitan Pelangi Sdn. Bhd.






05 Genius PBD Maths Yr4.indd 85 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid Date:

LS 5.1.8 Solve multiplication number sentences involving unit of length and one-digit number involving millimetre, centimetre, metre and kilometre.

10. Multiply. LS 5.1.8 PL 3


(a) (b) (c)
cm mm km m km m
1 5 2 5 5 0 9 7 8 0
× 4 × 3 × 6









11. Solve. LS 5.1.8 PL 3


(a) 18 cm 7 mm × 5 = (b) 24 cm 5 mm × 6 =



















(c) 12 km 475 m × 4 = (d) 15 km 200 m × 5 =





















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



© Penerbitan Pelangi Sdn. Bhd. 86






05 Genius PBD Maths Yr4.indd 86 27/10/2022 10:16 AM

Date: Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid

LS 5.1.9 Solve division number sentences involving unit of length and one-digit number involving millimetre, centimetre, metre and kilometre.


12. Divide. LS 5.1.9 PL 3

(a) (b)

4 1 2 cm 8 mm 3 7 km 5 3 0 m















13. Divide. LS 5.1.9 PL 3


(a) 18 cm 5 mm ÷ 5 = (b) 25 cm ÷ 2 =















(c) 15 km 240 m ÷ 6 = (d) 22 km ÷ 8 =






















PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



87 © Penerbitan Pelangi Sdn. Bhd.






05 Genius PBD Maths Yr4.indd 87 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid Date:


PBD MODULE 5.2 Mass Textbook pages: 184 – 187
LS 5.2.1 Solve mixed operations number sentences of addition and subtraction of mass involving gram and kilogram.

14. Solve. LS 5.2.1 PL 3


(a) 15 kg 400 g + 8 kg 420 g (b) 52 kg 600 g + 1 350 g − 8 kg 50 g
− 2 kg 680 g = =

























(c) 25 kg 300 g − 13 kg 150 g (d) 12 kg 450 g − 1 595 g + 300 g
+ 9 kg 850 g = =






























PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



© Penerbitan Pelangi Sdn. Bhd. 88






05 Genius PBD Maths Yr4.indd 88 27/10/2022 10:16 AM

Date: Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid

LS 5.2.2 Solve mixed operations number sentences of multiplication and division of mass involving gram and kilogram.

15. Solve. LS 5.2.2 PL 3


(a) 8 kg 200 g × 4 ÷ 2 = (b) 13 kg 360 g × 9 ÷ 6 =





























(c) 15 kg 350 g ÷ 5 × 4 = (d) 25 kg 80 g ÷ 4 × 9 =


































PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



89 © Penerbitan Pelangi Sdn. Bhd.






05 Genius PBD Maths Yr4.indd 89 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid Date:

PBD MODULE 5.3 Volume of liquid Textbook pages: 188 – 191

LS 5.3.1 Solve mixed operations number sentences of addition and subtraction of volume of liquid involving millilitre and litre.

16. Solve. LS 5.3.1 PL 3


(a) 8 l 20 ml + 1 l 400 ml – 7 219 ml (b) 5 l 400 ml + 8 295 ml – 7 098 ml
= =




























(c) 8 l 750 ml − 5 l 490 ml (d) 5 l 260 ml – 3 l 750 ml
+ 2 l 380 ml = + 4 l 975 ml =




























PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



© Penerbitan Pelangi Sdn. Bhd. 90






05 Genius PBD Maths Yr4.indd 90 27/10/2022 10:16 AM

Date: Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid

LS 5.3.2 Solve mixed operations number sentences of multiplication and division of volume of liquid involving millilitre and litre.


17. Solve. LS 5.3.2 PL 3

(a) 15 l 450 ml × 2 ÷ 5 = (b) 9 × 2 700 ml ÷ 4 =


























(c) 49 l ÷ 8 × 3 = (d) 32 l 45 ml ÷ 5 × 6 =




































PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



91 © Penerbitan Pelangi Sdn. Bhd.






05 Genius PBD Maths Yr4.indd 91 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid Date:


PBD MODULE 5.4 Problem solving Textbook pages: 192 – 195
LS 5.4.1 Solve problems involving measurement in daily situations.

Daily
18. Solve. Application LS 5.4.1
(a) Aimy needs 8 kg of flour to bake 5 cakes. What is the mass of flour, in kg and g,
needed to bake 3 similar cakes? PL 4






























(b) Arshad bought a jackfruit with a mass of 3 kg 195 g and a papaya with a mass
of 1 980 g less than the jackfruit. Calculate the total mass, in kg and g, of the
fruits bought by Arshad. HOTS Analysing PL 5

























PERFORMANCE LEVEL ( ) 1 2 3 4 5 6



© Penerbitan Pelangi Sdn. Bhd. 92






05 Genius PBD Maths Yr4.indd 92 27/10/2022 10:16 AM

Date: Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid
(c) The diagram below shows three containers A, B and C.







Container A Container B Container C
2 l 500 ml
The volume of water in container B is 800 ml less than the volume of water in
container A. The volume of water in container C is equal to the total volume of
water in container A and container B. What is the volume of water, in l and ml,
in container C? HOTS Analysing PL 5





















(d) The volume of a bottle of orange cordial is 5 l. To make a jug of orange juice,
Tina has to mix 2 l of orange cordial with 10 l of water. If Tina wants to make
7 jugs of orange juice with the same quantity, how many bottles of orange
cordial does she need? Non- HOTS Analysing PL 6
Routine
























PERFORMANCE LEVEL ( ) 1 2 3 4 5 6

Teacher’s Signature: Date:


93 © Penerbitan Pelangi Sdn. Bhd.






05 Genius PBD Maths Yr4.indd 93 27/10/2022 10:16 AM

SUMMATIVE PRACTICE 5




Objective Questions




1. The table below shows the mass of 3. 7 kg 490 g + 1 350 g – 3 kg 40 g =
four pupils. A 4 kg 440 g
B 5 kg 800 g
Pupil Mass C 5 kg 440 g
Faridah 18 kg D 4 kg 800 g
Gayathri 3 kg 200 g less than 4. Which of the following is true?
Faridah A 5 cm 4 mm = 504 mm
Hayati Heavier than Iswari B 906 mm = 9 cm 6 mm
Iswari 1 kg 500 g less than C 5 045 km = 5 km 450 m
Faridah D 45 cm 1 mm = 451 mm

Who is the lightest? 5. The diagram below shows the volume
A Hayati of water in bottle M. The volume of
B Iswari water in bottle N is not shown.
C Faridah
D Gayathri


2. The diagram below shows several
steel balls of the same size and a bag
of rice on a lever balance.
Bottle M Bottle N
2 l 350 ml
Rice
10 kg The volume of water in bottle M is
1 500 ml more than the volume of

water in bottle N. Calculate the total
volume of water in both bottles.
The mass of each steel ball is similar. A 850 ml
What is the mass of 8 steel balls? B 3 200 ml
A 16 kg C 3 850 ml
B 6 kg D 6 200 ml
C 10 kg
D 2 kg












© Penerbitan Pelangi Sdn. Bhd. 94






05 Genius PBD Maths Yr4.indd 94 27/10/2022 10:16 AM

Mathematics Year 4 Unit 5 Length, Mass and Volume of Liquid


Subjective Questions


1. The table below shows the mass of three pupils.


Pupil Mass
Fazil 55 kg 200 g

Aria 3 kg 50 g more than Fazil
Suman 1 240 g less than Aria

Calculate, in kg and g, Suman’s mass. [2 marks]










2. The diagram below shows a container filled with water.









25  750 m

Throughout the day, 14 l 350 ml of water was used and 3 450 ml of water was
added into the container.

(a) Calculate the volume of water in the container after a day. [2 marks]








(b) Then, Syarifah poured all the water in the container equally into 15 bottles.
Calculate the volume of water, in ml, in 4 bottles. [2 marks]






Gamified
Quiz 5






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05 Genius PBD Maths Yr4.indd 95 27/10/2022 10:16 AM

ANSWERS





Numbers and (c) 6 ten thousands + 19. (a) 5 700; 12 300; 52 100
UNIT 1 Operations 9 thousands + 0 hundreds (b) 6 000; 12 000; RM57 000
+ 4 tens + 4 ones 20. (a) 43 650; 43 700; 44 000;
1. 8. (a) 48 143 (b) 8 217 40 000
(c) 46 392 (b) 97 130; 97 100; 97 000;
100 000
9. (a) 96 563 (b) 72 149
(c) 86 099 21. (a) 67 882
(b) 59 417
10. (a) 29 643, 46 921, 50 948,
2. (a) 67 215 (b) 30 207 (c) 77 590
76 492
(c) 45 098 (b) 56 728, 63 291, 66 099, (d) 66 422
3. (a) 56 914; Fifty-six thousand 82 718 (e) 98 751
nine hundred and fourteen (c) 86 493, 62 133, 49 948, (f) 66 514
(b) 70 243; Seventy thousand 29 172 22. (a) 53 (b) 36
two hundred and forty- 11. (a) 57 096, 57 582
three (b) 12 094, 15 618 (c) 9

4. The place The place 12. (a) 21 094, 20 916 23. (a) 28 455
(b) 41 800
value for value for (b) 55 094, 54 415
digit 4 digit 7 (c) 88 710
13.
(a) tens ones (d) 24 094
(e) 2 693
(b) ten
hundreds (f) 43 089
thousands
24. (a) 51
(c) ten thousands (b) 77
thousands
14. Even numbers: (c) 23
(d) thousands hundreds 2, 10, 26, 32, 44, 68, 94, 100 25. (a) 38 008
Odd numbers:
5. (a) 700 (b) 80 (b) 25 142
(c) 50 000 (d) 3 3, 5, 21, 37, 43, 49, 97, 101 (c) 49 275
(e) 4 000 (f) 9 15. (a) increases; fives (d) 87 997
(g) 60 000 (h) 200 (b) increases; tens 26. (a) 93 684
6. (a) 70 000 + 900 + 40 + 8 (c) decreases; eights (b) 87 048
(b) 90 000 + 3 000 + 200 + 16. (a) Decreases by threes (c) 38 270
40 + 5 (b) Increases by hundreds (d) 59 661
(c) 60 000 + 8 000 + 700 + (c) Increases by eights (e) 93 340
20 + 4 17. (a) 16 568; 16 570 (f) 22 883
(d) 20 000 + 500 + 9 (b) 24 165; 24 175 27. (a) 56 720
7. (a) 3 ten thousands + (c) 75 131; 75 125 (b) 69 850
6 thousands + 2 hundreds (d) 82 943; 81 943 (c) 42 500
+ 1 tens + 9 ones
(e) 67 119; 67 019 (d) 94 900
(b) 7 ten thousands + 18. (a) 50
0 thousands + 9 hundreds (e) 32 000
+ 4 tens + 0 ones (b) 2 litres (f) 60 000


A1 © Penerbitan Pelangi Sdn. Bhd.






10 ANS Genius PBD Maths Yr4.indd 1 26/10/2022 2:53 PM

Mathematics Year 4 Answers
3
28. (a) 567 Fractions, Decimals (d) 2
(b) 329 remainder 8 UNIT 2 and Percentages 5
(c) 379 9 1 (e) 3 2
5
2
(d) 46 remainder 98 1. (a) ; 4 2 1
3
(e) 100 (b) 13 ; 2 (f) 2 10
(f) 37 remainder 290 5 5
7
1
29. (a) 5 432 2. (a) (b) 13 7. (a) 1
2 3 5
(b) 9 042 14 11
(c) (d) 1
(c) 5 329 5 6 (b) 1
2
(d) 3 215 1
1
3. (a) 2 (c) 3
(e) 2 005 2 4
(f) 1 564 (b) 3 (d) 4
2
30. (a) 9 642 remainder 2 2 1
(b) 4 125 (c) 2 3 (e) 2 5
(c) 3 094 remainder 4 (d) 2 1 (f) 2 3
(d) 2 545 4 8
31. (a) 3 030 4. (a) 3 3
(b) 2 141 remainder 6 5 8. (a) 1 3
7
5
(c) 32 851 (b) 2 3
7
32. (a) 73 790 (c) 4 1 (b) 7
8
(b) 18 690 2 (c) 4 1
1 2
(c) 25 928 (d) 5 4
(d) 12 269 1 (d) 7 1
(e) 10 2
(e) 2 475 3 (e) 6
33. (a) 12 769 (f) 4 2
(b) Cempaka City and 9 (f) 4 5
Kenanga City 5. (a) 3 12
(c) 16 393 5
3
34. (a) 37 (b) 5 9. (a)
(b) 27 5
1
(c) 44 (c) 10
4
2
(d) 2
5
SUMMATIVE PRACTICE 1
(e) 6 1
Objective Questions 2
1
1. B 2. B 3. C 4. A (f) 9 20 (b)
5. C 6. B 7. B 2
6. (a)
Subjective Questions 5
7
1. (a) 9 000 (b) 70 000 (b)
10
2. (a) 10 890 2
(c) 2
(b) RM76 505 7


© Penerbitan Pelangi Sdn. Bhd. A2






10 ANS Genius PBD Maths Yr4.indd 2 26/10/2022 2:53 PM

Mathematics Year 4 Answers
(c) (f) 8 109 (g) 9
(g) 42.8 20
(h) 100 (h) 3
4
17. (a) 3.75 1
(i)
(b) 12.6 2
(c) 2.25 22. Fraction Percentage
(d) 0.468
19
10. (a) 5 (e) 5.225 (a) 100 19%
(b) 40 (f) 4.751 (b) 7
(c) 45 kg 18. (a) 5.6 10 70%
(d) RM7 (b) 9.21 (c) 3
2 60%
(e) 6 (c) 7.493 5
5 (d) 1
1 (d) 0.682 50%
(f) 1 km 2
2 (e) 0.3894
11. (a) 12.665 (f) 0.89651 23. (a) 37% (b) 30%
(b) 21.356 (g) 100 (c) 50% (d) 25%
(c) 88.10 (h) 325.6 (e) 52% (f) 30%
12. (a) 17.686 19. (a) 33% 24. (a) 2 17 hours
(b) 22.357 (b) 17 20
(c) 75.408 100 (b) 12.15 m
(d) 128.349 (c) 5% (c) 14 pupils
3
8
13. (a) 1.293 (d) 10 (d) 2 m
5
(b) 91.351 (e) 10% (e) 4
(c) 10.595 20. (a) 70%
14. (a) 5.048 (b) 40% SUMMATIVE PRACTICE 2
(b) 2.031 (c) 100%
(c) 58.442 (d) 50% Objective Questions
(d) 57.483 (e) 75% 1. B 2. C 3. B 4. D
(e) 17.931 (f) 35% 5. D 6. C 7. B
(f) 17.063 (g) 40% Subjective Questions
15. (a) 36.075 (h) 98% 1. (a)
(b) 24.36 (i) 32%
(c) 63.518 7
(d) 18.654 21. (a) 100
(e) 378.81 (b) 1 (b) 4 1
(f) 43.888 (c) 3 3
16. (a) 197.63 10 2. 5.15 kg
3
(d)
(b) 493.2 20
(c) 4 729.9 (e) 6 UNIT 3 Money
(d) 5 609 25 1. (a) RM61 722
8
(e) 50 678 (f) 25 (b) RM82 736.45



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10 ANS Genius PBD Maths Yr4.indd 3 26/10/2022 2:53 PM

Mathematics Year 4 Answers
(c) RM67 909.20 5. (a) RM5 690 (b) Japan
(d) RM87 426.70 (b) RM4 329.00 (c) 16.963 rupee
(e) RM89 677 (c) RM4 633.50 15.
(f) RM16 745.15 (d) RM572
2. (a) RM13 553 6. (a) RM3 295
(b) RM84 537.15 (b) RM1 428.75
(c) RM18 473.30 (c) RM5 672.80
(d) RM44 924.95 (d) RM3 276
(e) RM32 839.55 (e) RM635.20 16. (a) Cash
(f) RM43 334.45 (f) RM531.65 (b) Credit card or Internet
3. (a) RM22 439 7. (a) RM5 693 banking
(b) RM21 763.55 (b) RM4 695.50 17. (a) RM56 779.05
(c) RM48 174.95 (c) RM6 849 (b) RM49.90
(c) RM55 174.20
(d) RM63 018.95 (d) RM4 630
(e) RM60 328 (e) RM46 275 (d) RM58 395.60
(f) RM26 430.80 (f) RM32 100 (e) RM650
4. (a) RM2 345 (g) RM84 628
(b) RM11 239.20 8. (a) RM2 412.50 SUMMATIVE PRACTICE 3
(c) RM15 014.40 (b) RM93 265
(d) RM62 910 (c) RM3 212 Objective Questions
(e) RM60 918.75 (d) RM4 173.60 1. C 2. B 3. C 4. C
(f) RM12 381.15 5. B 6. D

9. (a) Date Money received Expenses Balance Subjective Questions
1 April Savings RM45.80 RM45.80 1. (a) RM23.90
4 April From RM15.00 RM60.80 (b) Exercise book and
mother mechanical pencil;
8 April Buy a RM8.50 RM52.30 RM22.30; RM1.60
notebook 2. RM18
9 April Birthday RM50.00 RM102.30
gift MID-YEAR ASSESSMENT
12 April Buy RM29.85 RM72.45 Objective Questions
stationeries 1. C 2. D 3. B 4. D
5. B 6. A 7. A 8. C
(b) No, Khasturi is short off • Free from financial 9. D 10. B 11. B 12. D
RM16.55 problems 13. C 14. C 15. B 16. A
10. (a) Control excessive • Not burdened with debts 17. C 18. B 19. B 20. B
spending. 12. Any reasonable answers are Subjective Questions
(b) Avoid debt. accepted. 1. (a) 9 (b) 1
1
11. Negative effect: 13. 8 8
• No savings for emergency 2. (a)
• Depression
• Have to make loan
• Bankruptcy
• Family problems
Positive effect:
• Have savings 14. (a) United States of America Bottle L Bottle M


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10 ANS Genius PBD Maths Yr4.indd 4 26/10/2022 2:53 PM