Math 1

Picture Number Number
Name

Mathematics 1 47

Write the numbers, and draw the dots.

Six 6 Nine 1
Two Seven

Eight Three 3
Five Four 4

One 6
8
Write the name of given numbers.

5 Five 2
46
81
73
9

Write down the numbers in backward way from 9 to 1.

91

48 Mathematics 1

Count the objects, and fill in the boxes.

Fish Birds Apple
Cat Cap Ant
Ice-cream Ball

Mathematics 1 49

Identifying Zero

One marble is lost from four.
How many are there in show?
One marble is lost from three.
How many are there free?
One marble is lost from two.
How many are there in the row?
One marble is lost from one.
How many are there in the game?

4–1 3 3 3 3

3–1 2 2 2 2

2–1 1 1 1 1

1–1 0 0 0 0

50 Mathematics 1

Count and write down the numbers:

How many fishes are How many birds are there
there in the aquarium? on the branches of the tree?

How many cows are How many students are
there in the field? there in the classroom?

How many balloons are How many trees are
there in the sky? there on the ground?

Mathematics 1 51

Identification of Ten

10
10
10
10

52 Mathematics 1

Addition of Numbers upto 10.

SONG

Hello kids ! It's time to play,
Listen to me when of say.

Hip, Hip, Hip, Hip Hip Hooray,
We can do our sums today.

1 + 1 is 2.
2 + 2 is 4.
Now, turn goes on to you.
5 + 5 is ...............

To Teacher Let students add by themselves and say other numbers.

Mathematics 1 53

See, Learn and Understand.

I have 5 eggs.
I have 3 eggs.

There are eight eggs altogether.

5+3=8 5

+3

=8

54 Mathematics 1

Count and add the following
1

+

+=

2

+

+=

3

+

+ =

Mathematics 1 55

4 +

+= +

5 +

+= Mathematics 1

6

+=

56

7

+

++ =

8

+

++ =

9

+ + = +

Mathematics 1 57

Subtraction of Numbers up to 10

SONG

Three little ducks went to swim one day
over the hills and far away.

Mother duck said quack, quack, quack, quack
but only two little ducks come back.
Two little ducks went to swim one day
over the hills and far away.

Mother duck said quack, quack, quack, quack
but only one little duck come back.

One little duck went to swim one day
over the hills and far away.

Mother ducks said quack, quack, quack, quack
but no little duck come back.

Mother duck went to swim one day
over the hills and far away.

Father duck said quack, quack, quack, quack,
and all three little ducks come back.

58 Mathematics 1

See, Learn and Understand.

Activities

I have 5 eggs.

Two eggs are
made omelets

by a cook.

I have only 3 5–2=3
eggs now.

5
–2
=3

I have 12 apples.

4 apples are
eaten.

I have only 8
apples now.

Mathematics 1 59

See, Learn and Understand.

There are 5 balloons. 3 balloons are burst. How many
balloons are remaining.

Balloons Balloons Balloons
5
– 3 =2 5

–3

=2

Candles Candles Candles
4
– 3 =1 4

–3

=1

60 Mathematics 1

Subtract, and fill in the blanks.

4-1= 3 4-2=

5-2= 5-4=

5-1= 4-1=

3-1= 3-0=

4-4= 3-1=

Mathematics 1 61

Draw lines, and subtract as shown.

6-2= 4 5-3= 9-1=

4-1= 3-2= 5-1=

7-3= 5-5= 4-2=

7-6= 9-2= 8-5=

8-2= 9-3= 3-1=

62 Mathematics 1

Subtract orally, and write in the boxes. 4
–3
4356
–1 –2 –2 –1

3

24878
–0 –2 –1 –2 –3

79769
–7 –6 –5 –2 –0

68965
–5 –2 –4 –3 –5

9 10 9 10 9

–1 –8 –5 –1 –9

3

Mathematics 1 63

Numbers from 11 to 20.

See, Learn and Understand.

Eleven Sixteen

11 16

Twelve Seventeen

12 17

Thirteen Eighteen

13 18

Fourteen Nineteen

14 19

Fifteen Twenty

15 20

64 Mathematics 1

Learn and write the numbers.

11 Eleven 11 11 11
12
12 Twelve 12 12 13
14
1313 Thirteen 13 15
16
1414 Fourteen 14 17
18
15 Fifteen 15 15 19
20
16 Sixteen 16 16
65
1717 Seventeen 17

1818 Eighteen 18

1919 Nineteen 19

20 Twenty 20 20

Mathematics 1

Match the followings. Fifteen
Fourteen
11 Thirteen
12
13 Eleven
14 Twelve
15
Mathematics 1
66

Match the followings. Seventeen
Nineteen
16 Sixteen
17
18 Twenty
19 Eighteen
20
67
Mathematics 1

Write the name of numbers. Write the
missing
11 Eleven 16 numbers.

12 17 11

13 18 13

14 19 15

15 20 18

Write the numbers. 20

Eleven 11 Sixteen Mathematics 1

Twelve Seventeen

Thirteen Eighteen

Fourteen Nineteen

Fifteen Twenty

68

Concept of Place Value. Number

Complete as shown below.

Abacus Place value chart Number name

Abacus Tens Ones Eleven 11
11 Number name Number

Place value chart

Abacus Tens Ones Number name Number
12

Place value chart

Abacus Tens Ones Number name Number
13

Place value chart

Abacus Tens Ones
14

Place value chart Number name Number

Tens Ones 69
15

Mathematics 1

Abacus Place value chart Number name Number

Tens Ones
16

Abacus Place value chart Number name Number

Tens Ones
17

Abacus Place value chart Number name Number

Tens Ones
18

Abacus Place value chart Number name Number

Tens Ones
19

Abacus Place value chart Number name Number

Tens Ones Mathematics 1
20

70

Numbers from 21 to 30.

See, Learn and Understand.

Twenty-one Twenty-six

21 26

Twenty-two Twenty-seven

22 27

Twenty-three Twenty-eight

23 28

Twenty-four Twenty-nine

24 29

Twenty-five Thirty

25 30

Mathematics 1 71

Learn and write.

21 21 21 21 Twenty-one
22 22 22 22 Twenty-two
23 23 2323 Twenty-three
24 24 24 24 Twenty-four
25 25 25 25 Twenty-five
26 26 26 26 Twenty-six
27 27 2727 Twenty-seven
28 28 2828 Twenty-eight
29 29 29 29 Twenty-nine
30 30 30 30 Thirty

72 Mathematics 1

Write the name of numbers. Write the
missing
23 Twenty three 29 numbers.

21 22 21

25 24 24

27 28 26

26 30 28

Write the number. 30

Twenty-one 21 Twenty-nine 73

Twenty-five Twenty-two

Twenty-seven Twenty-three

Twenty-eight Twenty-six

Thirty Twenty-four

Mathematics 1

Concept of Place Value. Number

Complete as shown below.

Abacus Place value chart Number name

Tens Ones Twenty-one 21
21
Abacus Number name Number
Place value chart

Abacus Tens Ones Number name Number
22

Place value chart

Abacus Tens Ones Number name Number
23

Place value chart

Abacus Tens Ones Number name Number
24

Place value chart

Tens Ones Mathematics 1
25

74

Abacus Place value chart Number name Number

Tens Ones
26

Abacus Place value chart Number name Number

Tens Ones
27

Abacus Place value chart Number name Number

Tens Ones
28

Abacus Place value chart Number name Number

Tens Ones
29

Abacus Place value chart Number name Number

Tens Ones 75
30

Mathematics 1

Numbers from 31 to 40.

See, Learn and Understand.

Thirty-one Thirty-six

31 36

Thirty-two Thirty-seven

32 37

Thirty-three Thirty-eight

33 38

Thirty-four Thirty-nine

34 39

Thirty-five Forty

35 40

76 Mathematics 1

Learn and write. 77

31 31 31 31 Thirty-one
32 32 32 32 Thirty-two
33 33 3333 Thirty-three
34 34 34 34 Thirty-four
35 35 35 35 Thirty-five
36 36 36 36 Thirty-six
37 37 3737 Thirty-seven
38 38 3838 Thirty-eight
39 39 39 39 Thirty-nine
40 40 40 40 Forty

Mathematics 1

Write the name of numbers. Write the
missing
33 Thirty three 39 numbers.

31 32 31

35 34 34

37 38 36

36 40 38

Write the numbers. 40

Thirty-one 31 Thirty-nine Mathematics 1

Thirty-five Thirty-two

Thirty-seven Thirty-three

Thirty-eight Thirty-six

Forty Thirty-four

78

Concept of Place Value. Number

Complete as shown below.

Abacus Place value chart Number name

Abacus Tens Ones Thirty-one 31
31 Number name Number

Place value chart

Abacus Tens Ones Number name Number
32

Place value chart

Abacus Tens Ones Number name Number
33

Place value chart

Abacus Tens Ones
34

Place value chart Number name Number

Tens Ones 79
35

Mathematics 1

Abacus Place value chart Number name Number

Tens Ones
36

Abacus Place value chart Number name Number

Tens Ones
37

Abacus Place value chart Number name Number

Tens Ones
38

Abacus Place value chart Number name Number

Tens Ones
39

Abacus Place value chart Number name Number

Tens Ones Mathematics 1
40

80

Numbers from 41 to 50.

See, Learn and Understand. Forty-six

Forty-one

41 46

Forty-two Forty-seven

42 47

Forty-three Forty-eight

43 48

Forty-four Forty-nine

44 49

Forty-five Fifty

45 50

Mathematics 1 81

Write the name of numbers. 41
43
41 46 45

47 42 48
50
45 49
50
42 50 49
47
48 43 45

Write the numbers. 42
41
Forty-seven Fifty
Mathematics 1
Forty-one Forty-three

Forty-five Forty-nine

Forty-eight Forty-four

Forty-two Forty-six

82

Concept of Place Value. Number

Complete as shown below.

Abacus Place value chart Number name

Abacus Tens Ones Forty-one 41
41 Number name Number

Place value chart

Abacus Tens Ones Number name Number
42

Place value chart

Abacus Tens Ones Number name Number
43

Place value chart

Abacus Tens Ones
44

Place value chart Number name Number

Tens Ones 83
45

Mathematics 1

Abacus Place value chart Number name Number

Tens Ones
46

Abacus Place value chart Number name Number

Tens Ones
47

Abacus Place value chart Number name Number

Tens Ones
48

Abacus Place value chart Number name Number

Tens Ones
49

Abacus Place value chart Number name Number

Tens Ones Mathematics 1
50

84

Numbers from 51 to 60.

See, Learn and Understand. Fifty-six

Fifty-one 56

51

Fifty-two Fifty-seven

52 57

Fifty-three Fifty-eight

53 58

Fifty-four Fifty-nine

54 59

Fifty-five Sixty

55 60

Mathematics 1 85

Write the numbers. 60
57
Fifty-seven Fifty
56
Fifty-one Fifty-three
49
Fifty-five Fifty-nine 46
44
Fifty-eight Fifty-four
41
Fifty-two Fifty-six 40

Write the name of numbers. Mathematics 1

51 56
57 52
55 59
52 50
58 53

86

Concept of Place Value. Number
Complete as shown below.
Abacus Place value chart Number name

Abacus Tens Ones Fifty-one 51
51 Number name Number

Place value chart

Abacus Tens Ones Number name Number
52

Place value chart

Abacus Tens Ones Number name Number
53

Place value chart

Abacus Tens Ones
54

Place value chart Number name Number

Tens Ones 87
55

Mathematics 1

Abacus Place value chart Number name Number

Tens Ones
56

Abacus Place value chart Number name Number

Tens Ones
57

Abacus Place value chart Number name Number

Tens Ones
58

Abacus Place value chart Number name Number

Tens Ones
59

Abacus Place value chart Number name Number

Tens Ones Mathematics 1
60

88

Numbers from 61 to70.

See, Learn and Understand. Sixty-six

Sixty-one 66

61

Sixty-two Sixty-seven

62 67

Sixty-three Sixty-eight

63 68

Sixty-four Sixty-nine

64 69

Sixty Five Seventy

65 70

Mathematics 1 89

Write the name of numbers. Write the
missing
70 62 numbers.
65 68
61 66 61
67 63 63
69 64 65
67
Write the numbers.
70
Sixty–five Sixty-nine
Mathematics 1
Seventy Sixty-four

Sixty-two Sixty-eight

Sixty-seven Sixty-three

Sixty-six Sixty-one

90

Concept of Place Value. Number

Complete as shown below.

Abacus Place value chart Number name

Abacus Tens Ones Sixty-one 61
61 Number name Number

Place value chart

Abacus Tens Ones Number name Number
62

Place value chart

Abacus Tens Ones Number name Number
63

Place value chart

Abacus Tens Ones
64

Place value chart Number name Number

Tens Ones 91
65

Mathematics 1

Abacus Place value chart Number name Number

Tens Ones
66

Abacus Place value chart Number name Number

Tens Ones
67

Abacus Place value chart Number name Number

Tens Ones
68

Abacus Place value chart Number name Number

Tens Ones
69

Abacus Place value chart Number name Number

Tens Ones Mathematics 1
70

92

Numbers from 71 to 80.

See, Learn and Understand. Seventy-six

Seventy-one

71 76

Seventy-two Seventy-seven

72 77

Seventy-three Seventy-eight

73 78

Seventy-four Seventy-nine

74 79

Seventy-five Eighty

75 80

Mathematics 1 93

Write the name of numbers. Write the
missing
80 72 numbers.
75 78
71 76 71
77 73 73
79 74 75
77
Write the numbers.
80
Seventy–five Seventy-nine
Mathematics 1
Eighty Seventy-four

Seventy-two Seventy-eight

Seventy-seven Seventy-three

Seventy-six Seventy-one

94

See, Learn and Understand. Number
Complete as shown below.
Abacus Place value chart Number name

Abacus Tens Ones Seventy-one 71
71 Number name Number

Place value chart

Abacus Tens Ones Number name Number
72

Place value chart

Abacus Tens Ones Number name Number
73

Place value chart

Abacus Tens Ones
74

Place value chart Number name Number

Tens Ones 95
75

Mathematics 1

Abacus Place value chart Number name Number

Tens Ones
76

Abacus Place value chart Number name Number

Tens Ones
77

Abacus Place value chart Number name Number

Tens Ones
78

Abacus Place value chart Number name Number

Tens Ones
79

Abacus Place value chart Number name Number

Tens Ones Mathematics 1
80

96