Oasis math 2

Plane figures

Triangle Square Rectangle Circle Semi-circle Oval

Identify the following shapes and colour the correct answer.

Triangle Circle Rectangle

Rectangle Square Semicircle

Circle Oval Semicircle

Rectangle Triangle Square
Semicircle
Oval Circle

Draw over the dotted lines and name the shape.

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Write names of the following figures.

Name the shape of the shaded part in the given figure.

Observe the shape of the window, door, black/whiteboard of your class
and name their shape.
Door .................................
Window .................................
Black/Whiteboard .................................
Table clock .................................
A page of your book. .................................

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Activity Construct triangle, rectangle, square etc. by
using tooth-peak and coloured string.

Material required : Tooth-peak, Glue, Chartpaper, Coloured string
• Take a chart paper.
• Paste the tooth-peak and string with the help of glue on the chart paper.
To construct triangle, rectangle and square.

Triangle Square Rectangle

Construct the given geometrical shapes.

Square Circle

Triangle Rectangle

kf7\oqmd ljsf; s]Gba| f6 :jLs[t Oasis School Mathematics Book-2 153

Semi-circle Oval

Draw the following plane shapes in your copy and colour them.

Triangle Square Rectangle Circle

Project work

Keep the following objects on your copy. Draw the outer boundary.
Name the shape so formed.

Object Shape

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Observe the above picture and colour the shapes in the above
picture.

Yellow Blue Red

Green Pink

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Sides and corners of plane figures

Look and learn.

Triangle

Side A Corner It is a triangle.
It is made up of three straight lines.
Side These three straight lines are its sides.
AB, BC and AC are its sides.
B Side C A, B and C are its corners.

Corner Corner

Remember !
• All triangles are made up of three straight lines.
• All triangles have three sides.
• All triangles have three corners.
A triangle has three sides and three corners.

Fill in the blanks. P

It is a ........................

It is made up of ........................ straight lines.

It has ........................ sides.

It has ........................ corners. Q R

Its three sides are ........................ , ........................ and ........................

Its three corners are ........................ , ........................ and ........................

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Square

Corner Corner It is a square. It is made up of four
A Side B straight lines.
These four straight lines are its
Side Side sides. AB, BC, CD and AD are its
four sides.
D C All four sides are equal in length.
Side Corner A, B, C and D are its four corners.

Corner

Remember !
All squares have four sides.
All sides of a square are equal.
All squares have four corners.
A square has four sides of the same length and four corners.

Fill in the blanks. MN
It is a ........................

It is made up of ........................ straight lines.

It has ........................ sides. PO
It has ........................ corners.

Its four sides are ..................... , ..................... ..................... and ...................

It four corners are ................... , ................... ................... and .....................

kf7o\ qmd ljsf; s]Gba| f6 :jLs[t Oasis School Mathematics Book-2 157

Rectangle Corner It is a rectangle.
B It is made up of four straight lines;
Corner two of them are long and two short.
A Side Side These four straight lines are its sides.
AB, BC, CD and AD are its sides.
Side C A, B, C and D are its corners
Corner
D
Side

Corner

Remember !
All rectangles have four sides.
All rectangles have four corners.
A rectangle has four sides and four corners.

Fill in the blanks. WX

It is a ........................

It is made up of ........................ straight lines. Z Y

It has ........................ sides.

It has ........................ corners.

Its four sides are ................... , ................... ................... and ...................

It four corners are ................... , ................... ................... and ...................

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Circle

It is a circle.
It is made up of a curved line.
It is round in shape.
It has no side and no corner.

Fill in the blanks.
It is a ........................
It is made up of a ........................ straight line.
It has ........................ sides.
It has ........................ corners.

Semi-circle

It is a semi-circle.
It is made up of a curved line and a
straight line.
It has one side and no corner.

Fill in the blanks.
It is a ........................
It is made up of ...........................
straight line and ........................... curved line.

kf7\oqmd ljsf; sG] ba| f6 :jLs[t Oasis School Mathematics Book-2 159

Oval

It is an oval.
It is made up of a curved line.
It has no side and no corner.

Fill in the blanks.
It is an ...........................
It is made up of a .............................
It has ......................... sides.
It has ......................corner.

Count the number of sides and corner in each of the figures.

corners corners
sides sides

corners corners
sides sides

Tick (√) the true statement and cross (×) the false one.
A triangle has three sides and three corners.
A square has three sides.
All sides of a square are equal in length.
A circle has a corner.
A circle is made up of a curved line.

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My Creation

Using the triangles, rectangles, square, circle, oval and
semicircle, draw the figures as shown and colour them.

Who am I?
I have three sides and three corners. .........................
I have four sides and four corners. All my sides are
equal. .........................
I am made up of a curved line; I am round in shape. .........................
I have four sides and four corners. Two of my sides are long and
two short. .........................

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Project work

Make a picture of your imagination.
Material required: Glue, chartpaper, large number of cutting of
circle, triangles, rectangles, squares, semicircle, etc.

Procedure: Paste the pieces of cutting on chart paper to make given
objects.

Bird

Flower Home

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My Creation

Use ruler to join the dots and make the following figures:
(i) Triangle (ii) Rectangle (iii) Square

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•••••••••••••••
•••••••••••••••

kf7o\ qmd ljsf; s]Gba| f6 :jLst[ Oasis School Mathematics Book-2 163

Unit Evaluation Full Marks: 16
1. Identify the following shapes.
2

2. Draw the following figures. 4

Circle Triangle Square Semicircle

3. Count the number of sides and corners of the following figures. 4

4. Study the given figure and answer the following questions. 3

What are the three sides of this triangle? A

......................, .................... and ......................

What are three corners of this triangle? B C
......................, ..................... and .....................

5. Fill in the blanks. 3

A square has ............................ sides.

A rectangle has ............................ corners.

A circle has ............................ corners.

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T

Communication, Technology
and Market

Contents
• Table
• Pictograph
• Money

kf7\oqmd ljsf; sG] ba| f6 :jLs[t Oasis School Mathematics Book-2 165

Table

Subuddin, Pasang, Shankar and Bir Bahadur are the students of Tara
Chandra Basic School Kusunde, Gorkha. The number of students in
different classes are given in the table.

Class One Two Three Four Five Six Seven Eight
21 25 27 30 16 18 23 25
Number of
students

Observe the above table and discuss the answer with your friends.

What is the number of students in class one?

What is the number of students in class five?

Which class has the highest number of students?

Which class has the lowest number of students?

What is the total number of students in class1 and 2?

Given table shows the number of favourite colour of class 2 students.
Observe the given table and answer the questions given below:

Colour Red Green Blue Yellow Pink
Number of students
21 25 27 30 16

How many students' favourite colour is red?

Which one is the most favourite colour?

How many students' favourite colour is green?

Which one is the least favourite colour?

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Given table shows the number of present students in different classes
in the first 3 days of academic session 2077 B.S.

Class First Second Third
Class 1
Day Day Day

21 23 25

Class 2 26 28 30

Class 3 20 22 23

Class 4 23 27 31

Class 5 25 26 32

Observe the above table and answer the questions given below:

What is the total number of present students on
the first day in class 1?

What is the total number of present students on
the third day in class 3?

On which day, there is the presence of maximum
number of students in class 1?

In which class, the highest number of students are
present in the first day?

In which class, the least number of students are
present in the third day?

Discuss the informations in the class.

kf7o\ qmd ljsf; s]Gba| f6 :jLst[ Oasis School Mathematics Book-2 167

Given table shows the marks obtained by Santosh, Urja and Merry in
four different subjects of class II.

Name English Nepali Mathematics Meroserofero

Santosh 85 74 96 90

Urja 87 82 81 92

Merry 90 81 83 84

Observe the above table and answer the questions given below:
What is the marks of Santosh in Mathematics?

What is the marks of Urja in Meroserofero?
Who got the highest marks in English?
Who got the lowest marks in Mathematics?
In which subject Santosh got the highest marks?

In which subject Urja got the lowest marks?

In which subject Merry got the highest marks?

Among these three students, who got the highest total marks?

Discuss other informations from the table with your friends.

Chameli prepared a table of daily sale of fruits in 3 consecutive days.
Water spoiled over her copy. Some data are missing. Find out the
missing data.

Day Apple Mango Grapes Orange Total
2077/5/5 28 35 12 - 90
2077/5/6 - 17 22 18 70

2077/5/7 24 - 15 17 75

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Pictograph

Given pictograph shows the favourite fruits of class II students.

14

13

12

11

10

9

8

7

6

5

4

3

2

1
Mango Grapes Apple Orange Banana Guava

Convert the above pictograph into table.

Fruits Mango Grapes Apple Oranage Banana Guava

Number of
students

kf7o\ qmd ljsf; s]Gb|af6 :jLs[t Oasis School Mathematics Book-2 169

Given pictograph shows the number of Gadgets in Bhairaja's home

10

9

8

7

6

5

4

3

2

1 TV Tablets I-pad
Mobile Laptop Camera

Convert the above pictograph into table.
Gadgets
Number

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Unit Evaluation Full Marks: 10

1. Given table shows the marks obtained by Pasa in 5 different tests out

of 50 full marks. 5

Test First Second Third Fourth Fifth

Marks 42 35 48 31 45

Study the above table properly and answer the questions given below.

What is his highest marks among all tests?
What is his lowest marks among all tests?
In which test did he get the highest marks?
How many marks in third test is more than the marks in the second test?
How many marks in the fourth test is less than the marks in the fifth test?

2. Given table shows the number of cattle in Nathuram's farm house. 5

10 Cow Elephant Duck Hen
9
8 Oasis School Mathematics Book-2 171
7
6
5
4
3
2
1

Goat

Cattles
Number

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Money

Nepali coins and notes

Look and learn.

Nepali coins

10 Paisa 25 Paisa 50 Paisa Re 1

Rs 2 Rs 5 Rs 10
Nepali notes Rs 2
Rs 20 Rs 5
Re 1
Rs 50
Rs 10
Rs 1000
Rs 100 Rs 500
kf7\oqmd ljsf; s]Gba| f6 :jLs[t
172 Oasis School Mathematics Book-2

Identify the following coins:

Identify the following notes:

Rs Rs Rs

Rs Rs Rs

Rs Rs Rs

kf7\oqmd ljsf; s]Gba| f6 :jLs[t Oasis School Mathematics Book-2 173

Counting of coins and notes I understand ! 10 + 10 + 10
Paise = 30 Paisa
Look and learn.

30 Paisa 50 Paisa
Count the coins

Paisa Paisa Paisa

Paisa Paisa Paisa
Count the notes
Rs 3 Rs 8
Count as above Rs

Rs

Rs Rs

Rs Rs

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Conversion of money To convert Rs. into Paise
multiply Rs. by 100.
Look and learn.

Conversion of Rupees into Paisa

Re 1 = 100 Paisa
Rs 2 = 2 × 100 Paisa = 200 Paisa

Convert as above

Rs 3 = × Paisa = Paisa

Rs 4 = × Paisa = Paisa

Rs 5 = × Paisa = Paisa

Rs 7 = × Paise = Paisa

Convert Rupees into Paisa

= 100 Paisa = Paisa = Paisa

Convert into Paisa ( without multiplication)
Re 1 = Paisa

Rs 2 = Paisa
Rs 5 = Paisa

kf7o\ qmd ljsf; sG] b|af6 :jLst[ Oasis School Mathematics Book-2 175

Convert as shown: Paisa Rs 2.70 = 270 Paisa
My logic ! I have to just
Rs. 2 and 50 Paisa =
Rs. 3 and 20 Paisa = Paisa remove the decimal.
Rs. 5 and 10 Paisa = Paisa
Rs. 1 and 30 Paisa = Paisa
Rs. 2 and 80 Paisa = Paisa
Rs. 4 and 20 Paisa = Paisa

Write as shown = Rs 2 and 70 P = Rs 2.70

= Rs and P = Rs

= Rs and P = Rs

= Rs and P = Rs

= Rs and P = Rs

= Rs and P = Rs

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Addition and subtraction in Rupees and Paisa

Look and learn. It is simply the addition
of rupees and Paisa.

Addition Add Paisa: 30 P + 25P = 55 P
Add Rs: Rs 15 + Rs 20 = Rs 35
Rs 15 30P
+ Rs 20 25P Rs 54 10P Rs 25 60P
Rs 35 55P + Rs 26 20P + Rs 35 10P
Add as above
Rs 16 20P
+ Rs 12 30P

Rs 66 50P Rs 28 30P Rs 35 15P
+ Rs 40 20P + Rs 26 10P + Rs 46 25P

Subtraction - Subtract Paisa Subtract Rs and
Rs 35 50P 50 P - 30 P = 20 P Paise separately.
- Rs 15 30P - Subtract Rs
Rs 20 20P Rs 35 - Rs 15 = Rs 20 Rs 60 30P
- Rs 25 10P
Subtract as above. Rs 45 20P
Rs 96 30P - Rs 25 10P
- Rs 40 20P

kf7o\ qmd ljsf; sG] ba| f6 :jLst[ Oasis School Mathematics Book-2 177

Shopping of four girls.

How much money did each spend in the market?
Salma, Pema, Numa and Maya went to the market. How much money

did each spend in the market?

Rs 90 Rs 540 Rs 5 Rs 15

Rs 4 Rs 250 Rs 340 Rs 200

Rs 10 Rs 35 Rs 360
She spent Rs
She bought a watch and She spent Rs
a packet of Biscuits. She spent Rs
She spent Rs
Salma
kf7\oqmd ljsf; s]Gb|af6 :jLst[
She bought a cap, a
pencil and a copy.

Pema

Numa She bought a school
bag, a football and a
chocolate.

She bought pants and
T-shirt.

Maya

178 Oasis School Mathematics Book-2

How much money did you get returned? Your return
5 0 0
You bought – 2 4 5
You gave Rs 500. Rs 2 5 5

You bought You gave Rs 100. Your return

Rs 85 You gave Rs 400 Your return

You bought Your return

Rs365

You bought

You gave Rs 300

Rs280 Your return

You bought You gave Rs 50

Rs 35 Oasis School Mathematics Book-2 179
kf7\oqmd ljsf; sG] b|af6 :jLs[t

Addition and Subtraction of money in our daily life

Look and learn.

A boy had Rs 304. His mother gave him 304
Rs 245. How much money does he have + 245
now?
∴ He has Rs. 549 now. 549

Sankalpa had Rs 545. He spent Rs 150 to buy a

doll. How much money is left with him?

∴ He has left.

My father gave me Rs 35 and my mother gave

me Rs 26. How much money do I have now?

∴ I have Rs now.

Daily income of a man is Rs 57 and his daily
expense is Rs 23. What is his daily saving?

∴ His daily saving is Rs

Asmita had Rs 456. She spent Rs 20P.

How much money is left with her?

∴ She has left.

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Unit Evaluation Full Marks: 20

1. Identify the given notes. 4

Rs Rs

Rs Rs
2. Count the given amount of money.
2

Rs Rs
3. Fill in the blanks.
Paisa. 2
Re 1 = Paisa.
Rs 2 = Paisa. 4
Rs 3 = Paisa. P
Rs 5 = P
P Rs 3 and 80 P =
4. Convert into Paisa. P Rs 5 and 20 P =
Re 1 and 70 P =
Rs 2 and 60 P = Oasis School Mathematics Book-2 181

kf7\oqmd ljsf; s]Gba| f6 :jLs[t

5. Add: Rs 37 25 Paisa 2
Rs 25 30 Paisa + Rs 48 70 Paisa 2
+ Rs 40 20 Paisa 2
Rs 69 20 Paisa 2
6. Subtract: - Rs 15 10 Paisa
Rs 48 65 Paisa
- Rs 25 70 Paisa

7. Kushal bought a biscuit having cost Rs. 35
and a doll having cost Rs 165. How much
money does he have to pay?

He has to pay Rs.

8. A boy has Rs. 564. He bought a football
for Rs. 320. Find how much money is left
with him.

is left with him.

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Fundameltal Operations
on Mathematics-II

Contents
• Multiplication
• Division

kf7\oqmd ljsf; sG] b|af6 :jLst[ Oasis School Mathematics Book-2 183

Multiplication
Multiplication as the repeated addition

Look and learn. These are 2 sets of 2 beads
2+2=4
This is a set of 2 beads.
2=2

These are 3 sets of 2 beads.

2+2+2 =6
In the above case, the same number is added over and over.
This is repeated addition.
Hence, the repeated addition is called multiplication.
The symbol of multiplication is 'X'.

Let's see an example,
2+2+2+2
2 is added 4 times. It is 4 two's
Hence, 2 + 2 + 2 + 2 = 4 twos = 4 × 2
Colour the repeated addition:

2 + 2 2 + 3+4 2+5+6 2 + 2 + 2 + 2 + 2 +2 +2

2 + 3+4 2+2+2 2+2+2+2+2

Change into multiplication:

2 + 2 + 2 = 3×2

2 + 2 + 2 + 2 + 2 =

2 + 2 + 2 + 2 =

2 + 2 + 2 + 2 + 2 + 2 =

2 + 2 + 2 + 2 + 2 + 2 +2 +2 =

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Multiplying by 2

2 = 2 flowers This is a set of 2 flowers.
1 × 2 = 2
1 twos is 2.

These are two sets of 2 flowers.

2 + 2 = 4 flowers 2×2 =4
2 twos are 4.

These are three sets of 2 flowers.
3 × 2 = 6
2 + 2 + 2 = 6 flowers 3 twos are 6.

These are four sets of 2 flowers.
4 × 2 = 8
2 + 2 + 2 + 2 = 8 flo we rs 4 twos are 8.

Complete as above.

2 + 2+ 2+ 2+ 2 =

sets of flowers 5×2 =
5 twos are

2 + 2+ 2+ 2+ 2 + 2 =

sets of flowers 6×2 =

6 twos are

kf7o\ qmd ljsf; sG] ba| f6 :jLst[ Oasis School Mathematics Book-2 185

2+ 2+ 2+ 2+ 2 + 2+ 2 =
sets of flowers 7×2 =
7 twos are

2 + 2+ 2+ 2+ 2+ 2 + 2+ 2 =

sets of flowers 8×2 =
8 twos are

2 + 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2

sets of flowers =
9×2 =

9 twos are

2 + 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2

sets of flowers =
10 × 2 =

10 twos are

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Change into repeated addition: 5×2 =
4×2 = 2+2+2+2

3×2 = 6×2 =

7×2 =

Colour the sets having same meaning with the same colour.

2+2+2 5 × 2 4 twos 7 times 2

2+2+2+2+2 3×2 6 twos 5 times 2

2+2+2+2 6 × 2 3 twos 4 times 2

2+2+2+2+2+2 4 × 2 7 twos 3 times 2

2+2+2+2+2+2+2 7×2 5 twos 6 times 2

Counting by 2's

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

2 20

kf7\oqmd ljsf; sG] b|af6 :jLs[t Oasis School Mathematics Book-2 187

Multiplying by 3 2 sets of 3 is 6
2 threes are 6
Look and learn. 3+3 = 6
1 set of 3 is 3 2×3 = 6
1 three is 3
1×3= 5 sets of 3 are
5 threes are
Complete as above: 3+3+3+3+3=
5×3=
3 sets of 3 are

3 threes are

3+3+3=

3×3=

8 sets of 3 are Multiplication is the
8 threes are repeated addition.
3 + 3 + 3 + 3 + 3+ 3 + 3 + 3 =
8×3= 4 threes = 3+3+3+3

9 sets of 3 are
9 threes are
3 + 3 + 3 + 3 + 3 + 3+ 3 + 3 + 3 =
9×3=

Counting by 3's

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

3 15 27

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Multiplying by 4 4 2 sets of 4 are 8
2 four are 8
Look and learn. 4+4= 8
2×4= 8
1 sets of 4 are

1 fours is 4

1×4= 4

Complete as above: 7 sets of 4 is
4 sets of 4 is 7 fours are

4 fours are

4+4+4+4= 4+4+4+4+4+4+4=
7×4=
4×4=

5 sets of 4 is 8 sets of 4 is
5 fours are 8 fours are
4+ 4 + 4 + 4 + 4 = 4+4+4+4+4+4+4+4=
5×4= 8×4=

Counting by 4.

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

4

2 fours = 3 fours = 8 fours =

5 fours = 7 fours = 6 fours =

kf7o\ qmd ljsf; s]Gb|af6 :jLs[t Oasis School Mathematics Book-2 189

Multiplying by 5

Look and learn.

1 set of 5 is 5 2 sets of 5 are 10

1 five is 2 fives are 10

5 5 + 5 = 10 10

1×5= 5

Complete as above: 2 × 5 = 10 10

4 sets of 5 are
4 fives are

5+5+5+5=
4×5=

7 sets of 5 are

7 fives are

5 + 5 + 5 + 5+ 5 + 5 + 5 =

7×5=

Counting by 5

5 25 50

Write the correct number on the box. 7 fives =
4 fives =
1 fives = 6 fives = 8 fives =

5 fives = 10 fives = kf7\oqmd ljsf; s]Gba| f6 :jLst[

9 fives = 3 fives =

190 Oasis School Mathematics Book-2

Write the correct number in the box.
2 = 1 × 2 =

2 + 2 =2×2 =

2 + 2 + 2 =3×2 =

2 + 2 + 2 + 2 =4×2 =

2 + 2 + 2 + 2 + 2 =5×2 =

2 + 2 + 2 + 2 + 2 + 2 =6×2 =

2 + 2 + 2 + 2 + 2 + 2 + 2 =7×2 =

2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 =8×2 =

2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 =9×2 =

2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 10 × 2 =

Write the correct number in the box.
3 = 1 × 3 =

3 + 3 =2×3 =

3 + 3 + 3 =3×3 =

3 + 3 + 3 + 3 =4×3 =

3 + 3 + 3 + 3 +3 =5×3 =

3 + 3 + 3 + 3 + 3 + 3 =6×3 =

3 + 3 + 3 + 3 + 3 + 3 + 3 =7×3 =

3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 =8×3 =

3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 =9×3 =

3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 10 × 3 =

kf7o\ qmd ljsf; sG] b|af6 :jLst[ Oasis School Mathematics Book-2 191

Write the correct number in the box.
4 = 1 × 4 =

4 + 4 =2×4 =

4 + 4 + 4 =3×4 =

4 + 4 + 4 + 4 =4×4 =

4 + 4 + 4 + 4 + 4 =5×4 =

4 + 4 + 4 + 4 + 4 + 4 =6×4 =

4 + 4 + 4 + 4 + 4 + 4 + 4 =7×4 =

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 =8×4 =

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 =9×4 =

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 10 × 4 =
Write the correct number in the box.

5 = 1 × 5 =

5 + 5 =2×5 =

5 + 5 + 5 =3×5 =

5 + 5 + 5 + 5 =4×5 =

5 + 5 + 5 + 5 + 5 =5×5 =

5 + 5 + 5 + 5 + 5 + 5 =6×5 =

5 + 5 + 5 + 5 + 5 + 5 + 5 =7×5 =

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 =8×5 =

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 =9×5 =

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 10 × 5 =

192 Oasis School Mathematics Book-2 kf7\oqmd ljsf; sG] ba| f6 :jLst[

Match the following:

4×3
5×2
3×2
3×5

2×4

Write the multiplication facts. Find the product.
3 × 2 =6
×=

×= Count the groups. Count
×= the dots in each group.
×=
3 × 2 = 6.
Total

Groups Dots in each group

kf7\oqmd ljsf; sG] b|af6 :jLst[ Oasis School Mathematics Book-2 193

Fill in the boxes. 2×4= 2×4=
3×5= 3×5=
2×4= 2×7= 2×7=
3×5= 3×8= 3×8=
2×7= 2×6= 2×6=
3×8= 3×4= 3×4=
2×6=
3×4=

Fill in the boxes. = 3 × 2 = 6

2 + 2 + 2

2 + 2 + 2 + 2 = 4 × =

3 + 3 + 3 + 3 = 4 × =

3 + 3 + 3 + 3 + 3 = 5 × =

4 + 4 = 2 × =

4 + 4 + 4 = 3 × =

5 + 5 + 5 + 5 = 4 × =

5 + 5 + 5 + 5 + 5 + 5 = 6 × =

194 Oasis School Mathematics Book-2 kf7\oqmd ljsf; s]Gb|af6 :jLs[t

Multiplication table from 2 to 5

Look and learn. Multiplication table of 3

Multiplication table of 2 3×1=3
3×2=6
2×1=2 3×3=9
2×2=4 3 × 4 = 12
2×3=6 3 × 5 = 15
2×4=8 3 × 6 = 18
2 × 5 = 10 3 × 7 = 21
2 × 6 = 12 3 × 8 = 24
2 × 7 = 14 3 × 9 = 27
2 × 8 = 16 3 × 10 = 30
2 × 9 = 18
2 × 10 = 20 Multiplication table of 5

Multiplication table of 4 5 ×1=5
5 × 2 = 10
4×1=4 5 × 3 = 15
4×2=8 5 × 4 = 20
4 × 3 = 12 5 × 5 = 25
4 × 4 = 16 5 × 6 = 30
4 × 5 = 20 5 × 7 = 35
4 × 6 = 24 5 × 8 = 40
4 × 7 = 28 5 × 9 = 45
4 × 8 = 32 5 × 10 = 50
4 × 9 = 36
4 × 10 = 40

kf7\oqmd ljsf; sG] ba| f6 :jLs[t Oasis School Mathematics Book-2 195

Multiply.
353 425

×2 ×2 ×5 ×2 ×2 ×2

434 523
×4 ×6 ×6 ×6 ×8 ×7

245 344
×9 ×9 ×9 ×8 ×7 ×6

Multiplication by Zero

Look and learn.

Number of baskets = 4
Number of apples in each basket = 0
Number of apples in all = 0
∴ 4 × 0 = 0 Any number multiplied by zero is always zero.

2×0 = 3×0 = 4×0 = 5×0 =
0×4 = 0×5 = 0×2 = 0×3 =

196 Oasis School Mathematics Book-2 kf7o\ qmd ljsf; s]Gb|af6 :jLst[

Multiplication by using number line

Look and learn.

3×2 2 2 Jump 2 steps 3 times
2

01 2 3 4 5 6 7 8 9 10

Multiply using number line: Jump 2 steps 4 times

4×2=

01 2 34 5 6 7 8 9 10

4×2= 2 + 2 + 2 + 2 Jump 2 steps 5 times

5×2=

01 2 34 56 78 9 10

5×2= ++ ++

3×3= Jump 3 steps 3 times

0 1 2 3 4 5 6 7 8 9 10

3×3= ++

2×4= Jump 4 steps 2 times

01 23 4 56 7 8 9 10

2×4= + Oasis School Mathematics Book-2 197

kf7o\ qmd ljsf; s]Gb|af6 :jLs[t

Multiply: 3 2 2 2
3 × 2 × 5 × 7 × 8
× 4
3 3 3 4
5 × 5 × 7 × 9 × 2
× 4

4 5 5 5 4
× 6 × 4 × 5 × 6 × 7

Complete the given multiplication table:

x123456 7 8 9 10
24
1123
50
24 12
kf7o\ qmd ljsf; sG] b|af6 :jLst[
3

4 20

5

Multiplication of any number by zero

Remember!
Any number x 0 = 0,
0 x any number = 0

Look and learn.

Let's multiply 4 × 0
Since the multiplication is the repeated addition,
4 × 0 = 0 + 0 + 0 +0 = 0
∴4×0=0

198 Oasis School Mathematics Book-2

Multiply: 5x0= 0x4=
1x0= 0x6= 0x9=
2x0= 0x7= 9×0=
3x0= 0x8= 7×0=
4x0=

Multiplication table from 6 to 10

Look and learn.

kf7o\ qmd ljsf; sG] b|af6 :jLs[t Oasis School Mathematics Book-2 199

Table of 6 Table of 7 Table of 8 Table of 9 Table of 10
6 x 1 = 6 7 x 1 = 7 8 x 1 = 8 9 x 1 = 9 10 x 1 = 10
6 x 2 = 12 7 x 2 = 14 8 x 2 = 16 9 x 2 = 18 10 x 2 = 20
6 x 3 = 18 7 x 3 = 21 8 x 3 = 24 9 x 3 = 27 10 x 3 = 30
6 x 4 = 24 7 x 4 = 28 8 x 4 = 32 9 x 4 = 36 10 x 4 = 40
6 x 5 = 30 7 x 5 = 35 8 x 5 = 40 9 x 5 = 45 10 x 5 = 50
6 x 6 = 36 7 x 6 = 42 8 x 6 = 48 9 x 6 = 54 10 x 6 = 60
6 x 7 = 42 7 x 7 = 49 8 x 7 = 56 9 x 7 = 63 10 x 7 = 70
6 x 8 = 48 7 x 8 = 56 8 x 8 = 64 9 x 8 = 72 10 x 8 = 80
6 x 9 = 54 7 x 9 = 63 8 x 9 = 72 9 x 9 = 81 10 x 9 = 90
6 x 10 = 60 7 x 10 = 70 8 x 10 = 80 9 x 10 = 90 10 x 10 = 100

Multiply the following:

6 x 3 = 9 x 10 = 7 x 8 =
7 x 4 = 8 x 5 = 9 x 3 =
7 x 9 = 8 x 6 = 9 x 8 =
8 x 6 = 6 x 5 = 7 x 10 =
8 x 7 = 7 x 6 = 9 x 5 =
9 x 7 = 8 x 3 = 7 x 7 =

Complete the given multiplication table:

x 4 7 5 8 2 9 3 10 6

6 24 42

7 35

8 16

9 27

10 100

200 Oasis School Mathematics Book-2 kf7\oqmd ljsf; sG] b|af6 :jLs[t