PL BM P6L25 Review 3 Paper 1 WS - 2022 (1)

Primary 6

Boost! Math

Name Review 3 Paper 1 (Lesson 25)
Tutor Review 3 Paper 1 (Lesson 25)
Topic

Primary 6: Boost! Math

Review 3 Paper 1 45

Section A (20 marks)
Questions 1 to 10 carry 1 mark each. Questions 11 to 15 carry 2 marks each.
For each question, 4 options are given. One of them is the correct answer.
Make your choice (1, 2, 3 or 4) and write it in the brackets provided.

1. What does the digit 2 in 6.782 stand for? ()
(1) 2 thousandths
(2) 2 hundredths
(3) 2 tens
(4) 2 ones

2. Express 10m + 8 – 2m – 3 in the simplest form. ()
(1) 5m + 8
(2) 8m + 5 ()
(3) 12m + 5
(4) 16m – 3 1

3. In a class of 40 pupils, 25of them do not wear spectacles.
How many pupils wear spectacles?
(1) 8
(2) 16
(3) 24
(4) 32

Primary 6: Boost! Math

4. In the figure, DE is the base of Triangle BDE. What is the corresponding
height?

B

C F
G DE
(1) BG
(2) DF H
(3) EH
(4) BC ()

5. What is the perimeter of the figure shown below?

5 cm 8 cm
9 cm
(1) 26 cm
(2) 39 cm 4 cm
(3) 43 cm
(4) 44 cm ( )

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Primary 6: Boost! Math

6. Four letters are shown on the square grid below.

How many of the letters above is/are NOT symmetrical? ()

(1) 1
(2) 2
(3) 3
(4) 4

7. A number when divided by 20 gives a remainder of 6. Which of the following
can be added to the number to change it to a multiple of 8?

(1) 8 ()
(2) 5
(3) 3
(4) 2

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Primary 6: Boost! Math

Use the information below to answer Questions 8 and 9.
The line graph below shows the number of tourists who visited Country G from
2016 to 2020.

8. In which of the following periods did the number of tourists increase the most?

(1) 2016 to 2017 ()
(2) 2017 to 2018
(3) 2018 to 2019
(4) 2019 to 2020

9. The number of tourists in 2021 is projected to have a 15% increase from the
number of tourists in 2020. What is the projected number of tourists (in
thousands) visiting Country G in 2021?

(1) 12 4( )
(2) 78
(3) 92
(4) 95

Primary 6: Boost! Math

10. Find the circumference of a circle with radius 7 cm. Take π = 22 .
7

(1) 22 cm

(2) 44 cm

(3) 154 cm

(4) 616 cm ( )

11. The table below shows the number of books read by 38 children in April.
The number of children who read 5 books is not shown in the table.

Number of books 12345

Number of children 7 10 8 9 ?

How many children read at least 3 books in April?

(1) 8 ()
(2) 17
(3) 21
(4) 25

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Primary 6: Boost! Math

12. Five attractions on a map of a town are shown in the square grid below.

Sam is at one of the attractions. He is facing East. When he turns 135° anti-
clockwise, he facesA. Which attraction is Sam at?

(1) B ()
(2) C
(3) D
(4) E

13. Carren and Don had the same amount of money at first.
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After Carren gave 8 of her money to Don, she had $22 less than Don.

How much money did Carren and Don have altogether?

(1) $77

(2) $99

(3) $176

(4) $198 ( )

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Primary 6: Boost! Math

14. The bar graph shows the number of stamps from four different countries that
Ali collected.

120

Number of Stamps 90

60

30

0 Singapore(S) America(A) Malaysia(M) Thailand(T)

Country

What percentage of his collection of stamps is from Malaysia and Thailand?

(1) 25% ()
(2) 50%
(3) 75%
(4) 150%

15. June packed 336 cupcakes into a number of boxes.
Each box contained either 10 or 6 cupcakes.
Given that June used the least number of boxes to pack all the cupcakes,
how many of the boxes contained 10 cupcakes each?

(1) 1

(2) 21

(3) 33

(4) 56 () 7

Primary 6: Boost! Math

SECTION B: (5 marks)
Questions 16 to 20 carry 1 marks each. Show your working clearly in the space
provided for each question and write your answers in the spaces provided.
For questions which require units, give answers in the units stated.

16. Find the value of 6.3 ÷ 20.

Ans:

17. In the figure below,AB is a line of symmetry. Complete the symmetric figure.
A

B

18. Find the value of 3b – 5 + 4b when b = 6.
3

8Ans :

Primary 6: Boost! Math

4
19. Find the value of 5 ÷ 7 .

Express your answer as a mixed number in the simplest form.

Ans:
20. The figure shows a cuboid with a square base of area 16 cm2 . The area of the

shaded face is 40 cm2. What is the height of the cuboid?

Ans: cm

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Primary 6: Boost! Math

Section C ( 20 marks)
Questions 21 to 30 carry 2 marks each. Show your working clearly in the space
provided for each question and write your answers in the spaces provided.
For questions which require units, give answers in the units stated.

21. The average temperature on an island in January was 20°C. The average
temperature on the island was 24°C in February. What was the percentage
increase in temperature?

Ans: %

22. The average of three different 2-digit numbers is 72. Two of the numbers are 63
and 54. What is the third number?

Ans:

23. In the figure, ABC, GEDC and FEA are straight lines and AE // BD. ∠ABD = 74˚
and ∠ACD = 59˚. Find ∠GEF.

Ans: ˚

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Primary 6: Boost! Math

24. In the square grid below, draw an isosceles triangleABC and label it. The line
AB has been drawn for you.

25. The table below shows the volume of water in ContainersA and B.
(a) Which container has more water?
(b) How much more?

Container Amount of water
A 1 1 litre
5

B 110 ml

Ans: (a) ml
(b)
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Primary 6: Boost! Math

26. A piece of wire was cut into two pieces in the ratio 3 : 5. The longer piece was
then cut into two parts in the ratio 3 : 7. The shortest piece was 12 cm shorter
than the longest piece. What was the length of the longest piece of wire?

Ans: cm

27. A container had a mass of 720 g when it was 1 filled with water. The same
4

container had a mass of 870 g when it was 1 filled with water. What was the
3

mass of the empty container?

Ans: g

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Primary 6: Boost! Math

28. Mr Tan spent $200 of his money on a watch. He spent 14of his remaining
money on a belt and saved the rest of the money. He saved 45% of the money
he had at first. What was the cost of the belt?

Ans:
29. A triangular piece of paper with three equal sides was folded along the dotted

line as shown below. Find ∠x.

22˚

x
Ans:

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Primary 6: Boost! Math

30. The figure below is a rectangle made up of trianglesA, B, C, D, E and F.

DF

AB E

C

Based on the above information, put a tick (√) in the ‘true’, ‘false’ or ‘not possible
to tell’column for the following statements.

True False Not
possible to

tell

(a) Area of B + Area of C = Area of C +
Area of E.

(a) The sum of area of triangle C and
triangle D is half of the rectangle.

End of Paper

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