PART 1 ACTIVITY BOOK MATHEMATICS DLP YEAR 1

EASY SUBTRACTION

Activity 1

1 Cross (x) the objects that you subtract. Write

the answer.

a 26 – 4 = b 34 – 3 =

c 48 – 5 = d 46 – 2 =

2 Calculate. b 28 – 3 =
a 19 – 7 = d 59 – 6 =
19
–7

c 36 – 2 =

97

Activity 2 b 44 c
Subtract. –1 2 56

a 29 –4 1
–4

d 69 e 35 f 83 g 96
–22 –23 –52 –52

h 78
–25

98

Activity 3

Subtract. Colour your answers on the tortoise.

a 50 b 68 c 70 d 85
40


– 30 – 50 – 30 –

e 89 f 98 g 80 h 96


– 50 – 70 – –

30 16

i j



– 50 – 10

10 77

18 20 28

30 39 45 40
38

50 60 78 80 87

99

Activity 4
Calculate. Write the letter that is related to your answer.
Read the words.

3 12 21 30 31 41
K I AMDH

51 60 69 86 87
WR NOG

I 1 5 2 7 3 4 4 9 3 2
– 3 – 6 – 4 – 8 – 1 1

12

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

9 4 8 6
– –
– 3 4 – 5 3
91 74 35 34

I

100

Activity 5

Help Adib to choose a birthday cake for his father. Subtract.
Circle the same answers.

25 54
– 10 – 41

Strawberry
cake

67 6 8 86 88
– 56 – 15 – 53 – 65

4 6 49 64
– 23 – 27 – 41

89 48 75
– 66 – 25 – 52

92 65 48 87
– 62 – 14 –11 – 60

Chocolate
cake

Adib chooses the cake.

101

MORE SUBTRACTION

Activity 1

1 Solve these. b 32 minus 8.
a 20 minus 4.

tens ones tens ones

20
–4

c Minus 9 from 41. d Minus 7 from 52.

tens ones tens ones

2 Subtract. b 60 – 4 =
a 43 – 8 = d 82 – 9 =
43
–8

c 71 – 8 =

102

Activity 2
Help the rabbit to get the carrot. Subtract. Draw the route
for the rabbit according to the answers of 8 , 18 , 28 ,
38 , 48 and 58 .

11 13
–3 –4

14 26 33
–7 –8 –5

46
–9

25 44
–8 –6

67
–9

36 55
–7 –7

103

Activity 3 b c
Calculate. 7 1 6 4
– 4 3 – 3 9
a 3 15
4 5
– 1 8

2 7

d 5 0 e 9 2 f 8 3
– 5 4

– 2 1 – 1 7

g 4 2 h 3 1 i 6 8
– 1 – 1 – 4
15
2 4 1 9

j 5 k 7


– 3 4 – 3 6

1 7 3 6

104

Activity 4 b 53 – 18 =
1 Find the balance. d 75 – 29 =

a 41 – 27 = 14

3 11

4 1
– 2 7

1 4

c 64 – 35 =

2 Solve these. b Minus 45 from 90.
a Minus 38 from 62. 90 – 45 =
62 – 38 =
+5 +5
+2 +2
–=
–=
d How much is 14 less
c Find the difference than 30?
between 28 and 81.

105

Activity 5
Fill in the blanks.

51 – 36 =

–––

14 – =7

= ==

– 29 =

75 – 27 =

–––

– 18 = 19

== =

38 – =

106

ADDITION AND SUBTRACTION STORIES

Activity 1

Look at the picture. Complete the story.

a

There are black marbles

and white marbles. The total

number of marbles is .

b Yi Lin has flowers. Her sister

has flowers. There are

flowers altogether.

c There are tomatoes.

of the tomatoes are rotten.

There are good tomatoes.

d There are spring rolls.

spring rolls are given to the

neighbour. Now, there are

spring rolls left.

107

Activity 2
Look at the number sentence. Complete the story.

a There are stamps.

55 + 6 = 61 Ani adds another stamps.
stamps
Now, there are
altogether.

b Sara buys buttons.
39 + 14 = 53
She buys another buttons.

The total of Sara’s buttons is .

c There are passengers in the
40 – 27 = 13
bus. passengers get down

from the bus. Now, there are
passengers left.

d

Sufi’s father has coconuts.

96 – 38 = 58 He sells of the coconuts.

There are coconuts left.

108

Activity 3

Create a story from the picture given.

a 15 8 altogether nasi lemak

b tomatoes total

39 12
c cups broken left

d mangosteens eaten left

40 10

109

Activity 4

Create a story from the number sentence.

a red yellow altogether
15 + 6 = 21 ribbons ribbons

b
37 + 19 = 56

c
12 – 8 = 4

d
48 – 34 = 14

110

SOLVE THE PROBLEMS

Activity 1
1 Hamidi collects 23 Malaysia and 9 Singapore stamps.

How many stamps are there altogether?

Number sentence:

There are stamps altogether.

2 Amin has 9 postcards. Jasnor has 9 postcards too.
Find the total number of postcards.

Amin : postcards

Jasnor: postcards

Number sentence:

The total number of postcards is .

111

3 Nisa reads 8 story cards. Her brother reads 10 story
cards. Calculate the difference in the number of story
cards.

Nisa: story cards Brother: story cards

Number sentence:

The difference in number of the story cards is .

4 There are 35 mangoes. 12 mangoes have ripened.
How many mangoes are not ripened?

Number of mangoes :

Number of ripe mangoes :

Number sentence:

There are mangoes that are not ripened.

112

5 There are 14 potato curry puffs and 12 meat
curry puffs. Calculate the total number of curry puffs.

Number sentence:

The total number of curry puffs is .

6 The table shows the number of pupils in Class 1 Tekun.

Pupil Number
Boy 16

Girl 21

Calculate the total number of pupils.

Number sentence:

The total number of pupils is .

113

7 Lee Ching has 46 picture cards. She gives 17 picture
cards to Jasni. How many picture cards are left?

Number sentence:

AAAAABABBCBCACC

There are picture cards left.

8 There are 75 paper clips. Dayang takes away 47
paper clips. How many paper clips are left?

Number sentence:

There are paper clips left.

114

9 Mei Lin has 46 stickers. Nadia has 17 more than
Mei Lin. How many stickers does Nadia have?

Mei Lin : stickers
Nadia : stickers more than Mei Lin

Number sentence:

Nadia has stickers.

10 There are 94 storybooks. The number of magazines
is 38 less than the storybooks. Calculate the number
of magazines.

Number sentence:

There are magazines.

115

11 Rani’s mother bakes 60 cheese cakes. She only has
53 boxes to put the cakes. How many more boxes
does she need?

Number sentence:

Rani’s mother needs more boxes.

12 There are 16 eggs. How many eggs need to be
added to make 30?

Number sentence:

eggs to be added.

116

REPEATED ADDITION

Activity 1
Fill in the blanks.
a

There are 3 groups of twos.
Total 2 + 2 + 2 = 6
b

There are groups of .
Total +=

c

There are groups of .
Total ++
=

d

There are groups of .
=
Total + + +
117

Activity 2
Draw the arrows. Fill in the blanks.

a

02468

There are 4 groups of twos.

2 + 2 + 2 + 2 =8
b

0 48 12

There are groups of .

++= .

c 40

0 5 10 15 20 .

There are groups of =

+++ 30

d 0 10 20 =

118 There are groups of
+ ++

Activity 3 =6 b 4+4+ + 4 = 16
1 Fill in the blank.

a 2+2+

c + 5 + 5 = 15 d = 10 + 10 + 10 + 10

2 Solve these.
a

There are groups of fives.
++ +=

b I drink two glasses of milk every day.

John I drink two glasses
Alia of milk every day, too.

I drink the same amount as Alia.

Siva

++=

119

REPEATED SUBTRACTION

Activity 1
Complete these.

ab

4–2–2= 0 10 – 5 – 5 =
c d

8– – = 20 – – =

120

Activity 2 3 4 b0 5 10
1 Complete these. 8
10 – – =0
a0 1 2 d
10 20
–2 –2 0

4–2– 2 =0
c

04

– – =0 – – =0

2 Complete the number sentence.

a Ain has 8 packets of lychee drink. She gives 4 packets
to Chai. The balance of 4 packets are given to Raj.

8– – =0

b There are 15 cakes on a tray. 5 cakes are put on
a plate. 5 cakes are given to a neighbour and the
balance are put into a box.

15 – – – = 0

c There are 40 chairs. 10 chairs are sold on Monday. 10

chairs are sold on Tuesday. On Wednesday, 10 chairs
are sold. The balance are sold on Thursday.

– – – – =0

121

Activity 3 6
Complete the number sentences. –2
a
–

The biscuits are grouped in twos. –
6– – – = 0

b 12
–
0 4 8 12
–
There are 12 buns. Separate them
in fours. –
12 – – – = 0

c There are 30 pieces of jackfruit.
Pack the jackfruit in tens.
–––=

122

SELF-ASSESSMENT

Calculate. Colour the objects.

Red 18 Orange 70
Green 40 Yellow 20

12 10
+5 8 +3 0

9+9=

10 14 25 – 5 = 35
– 10 + 6 – 7



= 60 = 20 + 20
80 –
Difference
10 is of 50 and and 11 is
.
Total of 7

.

123

MIND TEASER

Find the answers.

Aishah has 38 flowers.

Lili has flowers.

The difference

90 = between the

number of = 12
flowers

19 is + is 17. – Subtract 6 from
more than 17. 17 is 17.

– 32 = = 14 +

Sarah buys

20 eggs.

eggs are broken.
She has 17 eggs left.

124