PART 1 ACTIVITY BOOK MATHEMATICS DLP YEAR 1

Activity 2 than 43.
Write “more” or “less”. than 47.
a than 43.

47 is 4 tens ones
43 is 4
than 75.
47 is than 73.
b than 75.

tens ones than 62.
than 68.
73 is 2 than 62.
75 is 2

73 is
c

68 is 6
62 is 6

68 is

47

Activity 3

1 Colour the number which is more.

a b
24 and 37 53 and 56

c d
60 and 50 72 and 84

e f
43 and 49 91 and 19

g h
93 and 100 83 and 79

2 Colour the number which is less.

ab

15 and 18 30 and 40
and 65
c and 47 d and 20
48 55

e and 94 f
97 28

48

NUMBER ARRANGEMENTS
Activity 1
1 Count the objects. Write the numbers.

a

b

2 Write the numbers in ascending order.
a 28 25 27 29 26

b 44 40 43 41 42

c 67 70 66 69 68

49

3 Write the numbers in descending order.
a 11 13 10 12 14

b 55 54 57 56 58
c 93 97 95 94 96

4 Write the numbers before, after or in between.

14 15 31 47 49

60 62 63 71 72

86 87 26 27 95 97

50

Activity 2

Join the dots by following the numbers in the correct
sequence. Colour the picture.

5 6 7
4
3 8

29
1 10
50 47 11
23
49 48 46 12
16 17 18 19 22 24
13 20 21 25
45 14 15
26
44 27 28
29
43 31 30

42 32 33
41 34

40 39 38 37 36 35

I drew a .

51

Activity 3
Write the missing numbers.

96
100

86 89 92

82 78 76 74

52 64
67

61 70
60 59
57

51
53

Activity 4
1 Complete these. Count on in twos.

a

246

b
30 32 34

42

c 76
64 66

2 Complete these. Count back in twos.
a
28 26 24

b 44

54 52 48

c

80 78 72

53

Activity 5
1 Complete these. Count on in fives.

a

5 10 15
b

20 25
c

60 65 80

2 Complete these. Count back in fives.

a 25
30

b 50
55

c 55
70

54

Activity 6
1 Complete these. Count on in tens.

a

10 20 40 80
b

30 50 80 90

c 70 80 100
40

2 Complete these. Count back in tens.

a 100 70 60 30

b 80 70 20

c 20
80 70
55

Activity 7 20
1 Complete these. Count on in fours.

a 8 12

b 44 52 56

c 88 96

2 Complete these. Count back in fours.
a

20 12 8
b

60 56

c

100 92 88

56

NUMBER PATTERNS

Activity 1
1 Write the following numbers.

a 2 5 2
2 5 5

b 1
1 5

9

c

6 6 36 6 3 e
2 Complete the number pattern.

a b cd

842 1 4

1 5230

8 39 07

2 0
5

10

57

Activity 2
Complete the following number pattern. Explain the
pattern.

a
12 14 16

The number pattern is cou nt o n in two s .

b 45
40 50

The number pattern is .

c

25 35 55 85 95

The number pattern is .

d 65 64 63
69 68

The number pattern is .

e 56 48
72 68

The number pattern is .

58

RECOGNISE ESTIMATION

Activity 1
1 Estimate the quantity of the objects. Write “more than”

or “less than”.

a

10 10.

b

30 30.

2 Estimate the quantity of the objects given.
ab

20 50

The number of beads is The number of beans is

about . about .

59

RECOGNISE ROUND OFF 60

Activity 1
1 Round off to the nearest ten.
50

52 55 57 59
a 52 is rounded off to
b 55 is rounded off to
c 57 is rounded off to
d 59 is rounded off to

2 Complete these.

80 82 84 86 88 90

a 82 rounded off to the nearest ten becomes

b 86 rounded off to the nearest ten becomes

c 88 rounded off to the nearest ten becomes

d rounded off to the nearest ten becomes 80

60

Activity 2
1 Round off to the nearest ten. Choose the correct answer.

95 57 a 23 is rounded off to
b 68 is rounded off to

20 c is rounded off to 90

92 70 d is rounded off to 60
e is rounded off to 100

2 Colour the correct answers. rounded off to
the nearest ten
ab
becomes 30
rounded off to
the nearest ten

becomes 50

53 55 48 34 24 25

c d

rounded off to rounded off to
the nearest ten the nearest ten

becomes 80 becomes 70

72 81 75 64 72 74

61

Activity 3

Round off to the nearest ten.
Circle the answers hidden in the picture.

a 12 b 15

c 26 d 37

e 54 f 62

g 69 h 84

i 93 j 96

62

SOLVE THE PROBLEMS

Activity 1
1 Who is counting in tens?

Basir : 10, 15, 20, 25, 30
Retika: 10, 20, 30, 40
Ming : 10, 12, 14, 16

2 Rita has four number cards. She chooses the
smallest number. What is that number?

51 15 12 21

63

3

538

There are 3 number cards. Form the smallest and
the largest 2-digit numbers.

The smallest number :
The largest number :
4 Dila has 6 sweets. She buys another 10 sweets.
Dila counts on the sweets in twos. How many
sweets are there altogether?

6

64

5

40
The number of apples in the bucket is 7 less than the
oranges. What is the number of apples?

6 Johan has 30 stamps. Johan has 6 more stamps
than Mohan. How many stamps does Mohan have?

Mohan has stamps.

65

7 Geetha has four number cards. She chooses the
numbers, which when rounded off to the nearest
ten, become 90. What are the numbers?

96 84 93 87

8 Janani wishes to visit her friend. Her friend’s house is
in the middle of houses number 40 and 50. What is
the number of the house?

42 43 44 45

66

SELF-ASSESSMENT

Colour the bus route by following the information given.

Station 1
Sixteen

START

Station 3

Larger
than 20

Station 2
How many?

Station 4 Station 5
Complete these
20, 30, , 50, 60 Round off
54 to the
nearest ten

67

MIND TEASER

Answer the questions. Colour the answers in the picture given.
1 The number between 55 and 57. blue
2 Round off 47 to the nearest ten. purple
3 rounded off to the nearest ten becomes 70.

black is 70. yellow
4 The digit value of 7 in

5 The number between 45 and 50. red

6 Complete these. 32, 34, 36, , 40. orange

7 Count on in tens. 10, 20, 30, 40, 50, 60, 70,
. brown

76 80

68 47
5608 56

38

68

2 ADDITION AND SUBTRACTION

RECOGNISE ADDITION

Activity 1
Fill in the blank.

a 3 and 2 make .

b 3 add 3 is .

c The sum of 5 and 4
is .

d 1 more than 6 is
.

e There are deer
altogether.

69

Activity 2
Colour the correct word.

a There is 1 and 1 .

Balance Total is 2.

b There are 3 big balloons and 3 small
balloons. There are 6 balloons
balance altogether .

c 3 girls are playing at the playground.
1 boy joins them. There are 4 children
left altogether .

d There are 2 rings on the cone.
Johan puts another 3 rings.
Now, the difference total is 5 rings.

e There are 8 toys in the box.
Mia ad ds r emoves 4 toys to make
it a total of 12.

70

Activity 3
1 Write the symbols + and = .

ab

1 da1nan1 dja1di 2. 2 more than
1 mak1e 2. 2 1 is 3.
112
c 123

d

Total of 3 and 1 5 add 0 is 5.
is 4. 505

314

2 Write the number sentence.
a 3 and 5 make 8.

b 3 add 4 is 7.
c 4 more than 2 is 6.

d Total of 2 and 7 is 9.

71

Activity 4
Complete the number sentence.
a

2+9=
b

6 + =
c

+8=
d

+=

72

Activity 5
Complete the number sentence.

ab

7+4= 6+7=
c d

4+8= 8+9=
e f

and and

9 + = +8=
g h

and and

+= +=

73

Activity 6
Draw arrows on each number strip or number line.
Write the answer.
a

1 2 3 4 5 6 7 8 9 10 11 12 13 14
6+8=

b
1 2 3 4 5 6 7 8 9 10 11 12 13 14
9+4=

c
1 2 3 4 5 6 7 8 9 10 11 12 13 14
5+7=

d

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

8+8=

e

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

9+6=

74

QUICK ADDITION
Activity 1
Colour the correct cards.

13

6+7 6+8

9+3 5+8 12

4+9 6+7 6+6
4+8 7+5
14 5+6 3+9

5+8 6+8

7+7 18
7+8
9+5

9+9 8+8

11

2+9 8+3 7+4

7+8 5+6

75

Activity 2
Circle any two numbers with the given total.

Total 6 Total 9

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

Write the number sentence.

a 2+4=6 e
b f
c g

dh

i

76

Activity 3

Match the two numbers that give the equal total.
Write the number sentences.

a 794 8 + 4 = 12

66

835

b9
86

75
4

c
6

75

97
8

77

EASY ADDITION 14
Activity 1 + 3
Add.
a 17

14 + 3 = 17
b

+=
c

+=
d

+=

78

Activity 2

1 Add. Draw the correct number of beads on the spike
abacus.

a 23 + 4 = 27 b 41 + 5 =

23 41
+ 4 + 5

27 tens ones tens ones

c 60 + 5 = d 82 + 6 =

60 82
+ 5 + 6

tens ones tens ones

2 Complete the number sentence.

a 22 + 3 = b 54 + =
ones
tens ones tens

79

Activity 3 b 40 + 6 =
Calculate. 40
a 30 + 3 = 33 + 6

30 d 19 + 50 =
+ 3 1199
+ 50
33

c 14 + 20 =

1 149
+ 20

e 42 + 10 = f 70 + 15 =

4129 71 09
+ 10 + 15

80

Activity 4

Help Manja to find her money box. Calculate.
Colour the route by following the answers.

a 1 1 b 2 1 c 4 0 d 2 4 e 5 6
+ 3 + 1 6 + 1 5 + 3 5 + 4 2

f 62 g h i 34 j 71



+ + 28 + 1 7 + +

74 79 48 88 99

14 26 49 57
37 98 39
54
55 59

12

58 35 51 31

28

24

81

Activity 5 b Total up
Solve these. 44 and 21
a Add

20 and 34

c 14 + 15 = d 36 + 51 =

e 52 + 46 = f 71 + 13 =

g 45 + = 79 h + 53 = 95

82

MORE ADDITION 27
Activity 1 + 8
Find the total.
a

b

c

83

Activity 2

1 Calculate and write the answers.

a 16 + 8 = b 25 + 6 =

tens ones tens ones

16 25
+8 +6

c 9 + 34 = d 47 + 5 =

tens ones tens ones
9 47

+3 4 +5

2 Solve these. b 23 + 8 =
a 18 + 9 = 7

27

84

Activity 3 15 + 25 b tens ones 13 + 39
Add. = =
a tens ones

15
+ 25

c tens ones 18 + 37 d tens ones 34 + 28
==

e tens ones 26 + 19 f tens ones 47 + 34
= =

85

Activity 4 b 29 + 28 =
1 Calculate. 1
30 + =
a 16 + 27 =
4 23 d 36 + 46 =

20 + 23 =

c 34 + 19 =

2 Solve these.

a 3 8 b9 c 1 7
+2 5
54

+ 3 e +7
1 44
73
+2 f
d 80 5
2
+6
+2 91
60

86

Activity 5 b c
Solve these.
17 24
a + 27 + 39
34

+ 19

d e f
56 78 32

+ 25 + 14 + 28

g h i
69 46
+ 28
+ + 57

95 90

j k l
+ 51 + +
70 71 90

87

RECOGNISE SUBTRACTION

Activity 1

Look at each picture. Underline the correct answer.

a There are 5 dolls.
The little sister takes away
3 dolls. There are 2 dolls
(less ,left).

b
There are 10 pencils.
Take away 5 pencils.
There are 5 pencils
(left , total).

c
2 out of 6 shuttlecocks are frayed.
There are 4 (frayed, good)
shuttlecocks left.

d
The difference in number
between the spoons
and the cups is ( 4,5 ).

e I eat 4 I eat 1 less

strawberries. than Akil.

AAkkil Fatin eats ( 5,3 ) strawberries. Fatin
88

Activity 2
Complete these.

a
3 minus 2

equals .

b
Take away 2 from 5
is .

c
Minus 3 from 8
is .

d The difference in

number between 8

and 4 is .

e
less than 5 is 4.

f .
3 is 6 less than

89

Activity 3
1 Write the symbols – and = .

a b The difference
between
1 less than
6 is 5. 7 and 5 is 2.

615 752

c d

Take away 2 is 8 less
4 from 9 is 5. than 10.
945 2 10 8

2 Write the number sentence.
a 2 less than 6 is 4.

b The difference between 7 and 3 is 4.

c 8 minus 0 equals 8.

90

Activity 4
Complete the number sentence.
ab

There are 4 slices of cake. Haziq has 9 bottles of milk.
Efa eats 2. There are 2 left. He takes away 3 bottles.
There are 6 bottles left.
42
936

c d

There are 7 birds. There are 8 chillies.
3 fly away. 5 are red chillies.
The rest are 3 green chillies.
There are 4 left.

7

91

Activity 5 11 – 4 =
Write the number sentence. –=
a –=
–=
b –=

c

d

e
92

Activity 6
Complete the number sentence.
ab

6–3= 8–6=

cd

7– = 10 – =
e f

9–7= 8–3=

g

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

14 – =

93

QUICK SUBTRACTION

Activity 1
1 Match.

a bc d
11 − 5 = 15 − 7 = 12 − 8 = 16 − 9 =

98 67 4

2 Complete these. b
a 13 – 5 =
11 – 2 = 15 – 8 =
16 – 7 =
12 – 6 = = 17 – 8

11 – 3 =
= 14 – 9

94

Activity 2

Write the number sentences with the given numbers.

ab

7 10 3 3 12 9

10 – 3 = 7 –=
10 – 7 = 3 –=

cd 8 6 14
13 9 4

–= –=
–= –=

ef 8 9 17
7 15 8

–= –=
–= –=

95

Activity 3
Colour the answer. Complete the number sentence.

a b
14 – 7 = 11 – 3 =

67 98
d
c
18 – 9 = 15 – 6 =

9 10 11 9
ef = 16 – 8

= 11 – 8 89
–6=6
34 h
0 12
g
5 = 12 – –8=9
17 15
78

ij
–6=7

12 13

96