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Primary 1 Mathematics Addition Subtraction Quiz

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Primary 1 Mathematics AI Generated Generated by Owl Alpha Updated 2026-06-03

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Questions

Primary 1 Mathematics Quiz - Addition Subtraction

Name: ___________________________

Class: ___________________________

Date: ___________________________

Score: ________ / 40

Duration: 40 minutes

Total Marks: 40

Instructions

Write your name, class, and date at the top of this paper.
Answer all questions.
Show your working clearly in the space provided.
Write your final answer in the answer space.
Do not use a calculator.

Section A: Basic Addition (Questions 1–5)

Each question carries 1 mark. Write your answer in the space provided.

1. Add.

5 + 3 = ___________

2. Add.

4 + 6 = ___________

3. Add.

7 + 8 = ___________

4. Add.

9 + 5 = ___________

5. Add.

6 + 7 = ___________

Section B: Basic Subtraction (Questions 6–10)

Each question carries 1 mark. Write your answer in the space provided.

6. Subtract.

10 − 4 = ___________

7. Subtract.

15 − 3 = ___________

8. Subtract.

13 − 7 = ___________

9. Subtract.

18 − 9 = ___________

10. Subtract.

11 − 6 = ___________

Section C: Addition and Subtraction with Pictures and Stories (Questions 11–15)

Each question carries 2 marks. Show your working.

11. Lily has 8 stickers. Her friend gives her 5 more stickers. How many stickers does Lily have altogether?

Working:

_______________________________________________

Answer: ___________ stickers

12. There are 14 birds on a tree. 6 birds fly away. How many birds are left on the tree?

Working:

_______________________________________________

Answer: ___________ birds

13. Tom has 7 red marbles and 9 blue marbles. How many marbles does Tom have in all?

Working:

_______________________________________________

Answer: ___________ marbles

14. There are 20 sweets in a box. Sam eats 8 sweets. How many sweets are left?

Working:

_______________________________________________

Answer: ___________ sweets

15. Maya reads 6 pages of her book on Monday and 7 pages on Tuesday. How many pages does she read altogether?

Working:

_______________________________________________

Answer: ___________ pages

Section D: Missing Numbers (Questions 16–18)

Each question carries 2 marks. Find the missing number.

16. ___________ + 6 = 14

Working:

_______________________________________________

Answer: ___________

17. 17 − ___________ = 9

Working:

_______________________________________________

Answer: ___________

18. ___________ + 8 = 15

Working:

_______________________________________________

Answer: ___________

Section E: Word Problems (Questions 19–20)

Each question carries 3 marks. Show your working clearly.

19. A fruit seller has 12 apples and 9 oranges. He sells 5 apples. How many fruits does he have left?

Step 1: Find the total number of fruits.

_______________________________________________

Step 2: Subtract the apples sold.

_______________________________________________

Answer: ___________ fruits

20. Ben has some toy cars. His father gives him 6 more toy cars. Now Ben has 15 toy cars. How many toy cars did Ben have at first?

Working:

_______________________________________________

Answer: ___________ toy cars

End of Quiz

Answers

Primary 1 Mathematics Quiz – Addition Subtraction

Answer Key

Section A: Basic Addition (1 mark each)

Question 1

Answer: 8
Working: 5 + 3 = 8
Marks: 1
Marking notes: Award 1 mark for the correct answer. No working required for Section A.

Question 2

Answer: 10
Working: 4 + 6 = 10
Marks: 1
Marking notes: Award 1 mark for the correct answer.

Question 3

Answer: 15
Working: 7 + 8 = 15
Marks: 1
Marking notes: Award 1 mark for the correct answer. Common mistake: students may add 7 + 8 = 14 (forgetting to carry). Check carefully.

Question 4

Answer: 14
Working: 9 + 5 = 14
Marks: 1
Marking notes: Award 1 mark for the correct answer.

Question 5

Answer: 13
Working: 6 + 7 = 13
Marks: 1
Marking notes: Award 1 mark for the correct answer.

Section B: Basic Subtraction (1 mark each)

Question 6

Answer: 6
Working: 10 − 4 = 6
Marks: 1
Marking notes: Award 1 mark for the correct answer.

Question 7

Answer: 12
Working: 15 − 3 = 12
Marks: 1
Marking notes: Award 1 mark for the correct answer. Students may subtract from the tens place incorrectly; check that they subtract from the ones place.

Question 8

Answer: 6
Working: 13 − 7 = 6
Marks: 1
Marking notes: Award 1 mark for the correct answer. Common mistake: 13 − 7 = 5 (miscounting).

Question 9

Answer: 9
Working: 18 − 9 = 9
Marks: 1
Marking notes: Award 1 mark for the correct answer.

Question 10

Answer: 5
Working: 11 − 6 = 5
Marks: 1
Marking notes: Award 1 mark for the correct answer.

Section C: Addition and Subtraction with Pictures and Stories (2 marks each)

Method mark: 1 mark for correct operation. Answer mark: 1 mark for correct final answer with unit.

Question 11

Answer: 13 stickers
Working: 8 + 5 = 13
Marks: 2
Marking notes: Award 1 method mark for writing 8 + 5 (or showing a correct counting-on strategy). Award 1 answer mark for 13 stickers. Accept 13 without unit for the answer mark, but best practice is to include "stickers".

Question 12

Answer: 8 birds
Working: 14 − 6 = 8
Marks: 2
Marking notes: Award 1 method mark for writing 14 − 6. Award 1 answer mark for 8 birds. Common mistake: students may add instead of subtract (14 + 6 = 20). Check that the operation matches the context ("fly away" means subtraction).

Question 13

Answer: 16 marbles
Working: 7 + 9 = 16
Marks: 2
Marking notes: Award 1 method mark for writing 7 + 9. Award 1 answer mark for 16 marbles. Common mistake: 7 + 9 = 15 (miscounting).

Question 14

Answer: 12 sweets
Working: 20 − 8 = 12
Marks: 2
Marking notes: Award 1 method mark for writing 20 − 8. Award 1 answer mark for 12 sweets.

Question 15

Answer: 13 pages
Working: 6 + 7 = 13
Marks: 2
Marking notes: Award 1 method mark for writing 6 + 7. Award 1 answer mark for 13 pages.

Section D: Missing Numbers (2 marks each)

Method mark: 1 mark for correct inverse operation. Answer mark: 1 mark for correct missing number.

Question 16

Answer: 8
Working: 14 − 6 = 8, so 8 + 6 = 14
Marks: 2
Marking notes: Award 1 method mark for using subtraction to find the missing number (14 − 6). Award 1 answer mark for 8.

Question 17

Answer: 8
Working: 17 − 9 = 8, so 17 − 8 = 9
Marks: 2
Marking notes: Award 1 method mark for using subtraction (17 − 9). Award 1 answer mark for 8.

Question 18

Answer: 7
Working: 15 − 8 = 7, so 7 + 8 = 15
Marks: 2
Marking notes: Award 1 method mark for using subtraction (15 − 8). Award 1 answer mark for 7.

Section E: Word Problems (3 marks each)

Method mark 1: 1 mark for correct first step. Method mark 2: 1 mark for correct second step. Answer mark: 1 mark for correct final answer with unit.

Question 19

Answer: 16 fruits
Working:
- Step 1: 12 + 9 = 21 (total fruits)
- Step 2: 21 − 5 = 16 (fruits left after selling 5 apples)
Marks: 3
Marking notes: Award 1 mark for correctly adding 12 + 9 = 21. Award 1 mark for correctly subtracting 21 − 5 = 16. Award 1 mark for the final answer "16 fruits". Common mistake: students may only subtract 5 from 12 (getting 7) and forget to add the oranges. Another common mistake: students may subtract 5 from 9 instead.

Question 20

Answer: 9 toy cars
Working: 15 − 6 = 9. Ben had 9 toy cars at first.
Marks: 3
Marking notes: Award 1 mark for identifying that this is a "working backwards" problem requiring subtraction. Award 1 mark for the correct calculation 15 − 6 = 9. Award 1 mark for the final answer "9 toy cars". Common mistake: students may add 15 + 6 = 21 instead of subtracting. Look for understanding that "gives him more" means the original amount is smaller.

Summary of Marks

Section	Questions	Marks per Question	Total Marks
A	1–5	1	5
B	6–10	1	5
C	11–15	2	10
D	16–18	2	6
E	19–20	3	6
Total	20 questions		40

End of Answer Key