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Mathematics questions, unit 2
Nama / NameKelas / ClassTarikh / Date

Addition and Subtraction

30 marks. Use Practice to check each answer as you go, or Exam to answer everything first.

Section A: objective questions

12 marks
Choose the correct answer.
1

Question 1

Diagram 1 shows 5 blue counters and 3 orange counters. How many counters are there altogether?
5 blue counters and 3 orange counters
Diagram 1
Show answerHide answer
A
5 + 3 = 8.
For the teacher: Remembering, low difficulty, standard 2.2.1
Textbook p. 56
2

Question 2

9 − 4 = ______
Show answerHide answer
B
Count back 4 from 9: 8, 7, 6, 5.
For the teacher: Remembering, low difficulty, standard 2.3.1
Textbook p. 75
3

Question 3

Diagram 2 shows counting on from 7. What number is at the question mark?
Number line from 7 with four jumps of plus 1 ending at a question mark
Diagram 2
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C
4 jumps of 1 from 7: 8, 9, 10, 11. So 7 + 4 = 11.
For the teacher: Understanding, low difficulty, standard 2.2.1
Textbook p. 58
4

Question 4

Diagram 3 shows counting back from 12. What number is at the question mark?
Number line from 12 back with five jumps of minus 1 ending at a question mark
Diagram 3
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D
5 jumps back from 12: 11, 10, 9, 8, 7. So 12 − 5 = 7.
For the teacher: Understanding, low difficulty, standard 2.3.1
Textbook p. 77
5

Question 5

20 + 60 = ______
Show answerHide answer
A
2 tens + 6 tens = 8 tens = 80.
For the teacher: Remembering, low difficulty, standard 2.2.2
Textbook p. 65
6

Question 6

25 + 3 = ______
Show answerHide answer
B
5 ones + 3 ones = 8 ones, and the 2 tens stay. 28.
For the teacher: Applying, low difficulty, standard 2.2.2
Textbook p. 63
7

Question 7

17 + 30 = ______
Show answerHide answer
C
1 ten + 3 tens = 4 tens, and the 7 ones stay. 47.
For the teacher: Applying, low difficulty, standard 2.2.2
Textbook p. 64
8

Question 8

How many less is 28 than 59?
Show answerHide answer
D
59 − 28: 9 − 8 = 1 and 5 − 2 = 3. The answer is 31.
For the teacher: Applying, medium difficulty, standard 2.3.2
Textbook p. 85
9

Question 9

9 + 6 = ______
Show answerHide answer
A
Make 10: 9 + 1 = 10, then 10 + 5 = 15.
For the teacher: Applying, medium difficulty, standard 2.2.1
Textbook p. 69
10

Question 10

What is the difference of 11 and 7?
Show answerHide answer
B
The difference is found by subtracting: 11 − 7 = 4.
For the teacher: Understanding, low difficulty, standard 2.1.1
Textbook p. 74
11

Question 11

Mei has 12 pens. She gives 5 pens to Ani. Which number sentence shows how many pens Mei has left?
Show answerHide answer
C
She gives some away, so subtract: 12 − 5 = 7.
For the teacher: Analysing, medium difficulty, standard 2.4.2
Textbook p. 98
12

Question 12

Diagram 4 shows 4 plates with 2 buns on each plate. How many buns are there altogether?
4 plates with 2 buns on each plate
Diagram 4
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D
4 groups of twos: 2 + 2 + 2 + 2 = 8.
For the teacher: Applying, low difficulty, standard 2.5.1
Textbook p. 108

Section B: structured questions

18 marks
Answer all questions. Show your working.
13

Question 13

Work out the answers.
[1 mark] (a)8 + 5 =
Show answerHide answer
Tick each point you got.
[1 mark] (b)15 − 9 =
Show answerHide answer
Tick each point you got.
For the teacher: Applying, low difficulty, standard 2.2.1
Textbook p. 59
14

Question 14

Diagram 5 shows a number made of tens blocks and ones blocks.
3 tens blocks and 6 ones blocks
Diagram 5
[1 mark] (a)How many tens are there?
Show answerHide answer
Tick each point you got.
[1 mark] (b)What is the number?
Show answerHide answer
Tick each point you got.
For the teacher: Understanding, low difficulty, standard 2.2.2
Textbook p. 63
15

Question 15

These need regrouping.
[1 mark] (a)27 + 15 =
Show answerHide answer
7 + 5 = 12, write 2 carry 1; 2 + 1 + 1 = 4
Tick each point you got.
[1 mark] (b)63 − 7 =
Show answerHide answer
Regroup: 13 − 7 = 6, and 5 tens remain
Tick each point you got.
For the teacher: Applying, medium difficulty, standard 2.2.2
Textbook p. 70
16

Question 16

Encik Arif has 15 blue pens and 9 red pens. How many pens does he have altogether?
[2 marks] (a)Write the number sentence and the answer.
Show answerHide answer
Tick each point you got.
For the teacher: Applying, low difficulty, standard 2.4.2
Textbook p. 97
17

Question 17

There are 30 cakes on a tray. Children eat 12 cakes. How many cakes are left?
[2 marks] (a)Write the number sentence and the answer.
Show answerHide answer
Tick each point you got.
For the teacher: Applying, low difficulty, standard 2.4.2
Textbook p. 98
18

Question 18

There are 4 plates. Each plate has 5 biscuits.
[2 marks] (a)Write a repeated addition sentence and the total.
Show answerHide answer
Tick each point you got.
For the teacher: Applying, low difficulty, standard 2.5.1
Textbook p. 109
19

Question 19

Siva has 10 kebabs. He gives the same number of kebabs to each of 2 friends.
[1 mark] (a)Write a repeated subtraction sentence.
Show answerHide answer
Tick each point you got.
[1 mark] (b)How many kebabs does each friend get?
Show answerHide answer
Tick each point you got.
For the teacher: Applying, medium difficulty, standard 2.6.1
Textbook p. 112
20

Question 20

Adam says: "45 − 18 = 33."
[1 mark] (a)Is Adam correct?
Show answerHide answer
No
5 ones is less than 8 ones, so you must regroup. Adam took 5 − 8 the wrong way round.
[1 mark] (b)Write the correct answer.
Show answerHide answer
Regroup: 15 − 8 = 7, then 3 − 1 = 2. 27 + 18 = 45.
Tick each point you got.
For the teacher: Evaluating, high difficulty, standard 2.3.2
Textbook p. 91
21

Question 21

Make up a short story for the number sentence 12 − 5 = 7.
[2 marks] (a)Write your story.
Show answerHide answer
Aina has 12 stickers. She gives 5 stickers to her friend. She has 7 stickers left.
Tick each point you got.
For the teacher: Creating, medium difficulty, standard 2.4.1
Textbook p. 94