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Primary 5 Mathematics Multiplication Division Quiz

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Questions

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Primary 5 Mathematics Quiz - Multiplication Division

Name: ___________________________
Class: Primary 5 _______
Date: ___________________________
Score: _______ / 40

Duration: 45 minutes
Total Marks: 40

Instructions:

  1. Answer all questions.
  2. Show your working clearly in the space provided.
  3. Write your answers in the spaces provided.
  4. For Section A, choose the correct option and write its number (1, 2, 3, or 4) in the bracket.
  5. For Section B and C, write your answers in the blanks provided. Include units where necessary.

Section A: Multiple Choice Questions (10 × 1 mark = 10 marks)

1. What is the product of 427 and 36?
(1) 12 372
(2) 13 372
(3) 14 372
(4) 15 372
Answer: (_____)

2. 5 600 ÷ 80 = _______
(1) 7
(2) 70
(3) 700
(4) 7 000
Answer: (_____)

3. Which of the following is the best estimate for 3 482 × 29?
(1) 3 000 × 20 = 60 000
(2) 3 000 × 30 = 90 000
(3) 3 500 × 30 = 105 000
(4) 4 000 × 30 = 120 000
Answer: (_____)

4. Find the value of 7 200 ÷ (40 × 2).
(1) 9
(2) 90
(3) 900
(4) 9 000
Answer: (_____)

5. A box contains 24 packets of biscuits. Each packet has 15 biscuits. How many biscuits are there in 8 such boxes?
(1) 2 880
(2) 2 980
(3) 3 080
(4) 3 180
Answer: (_____)

6. 6 300 ÷ 90 = _______
(1) 7
(2) 70
(3) 700
(4) 7 000
Answer: (_____)

7. The product of two numbers is 12 600. If one number is 70, what is the other number?
(1) 18
(2) 180
(3) 1 800
(4) 18 000
Answer: (_____)

8. Which of the following has the same value as 4 500 × 60?
(1) 450 × 6
(2) 450 × 600
(3) 45 × 6 000
(4) 45 × 600
Answer: (_____)

9. A factory produces 1 250 toys each day. How many toys does it produce in 24 days?
(1) 28 000
(2) 29 000
(3) 30 000
(4) 31 000
Answer: (_____)

10. 8 640 ÷ 12 = _______
(1) 72
(2) 720
(3) 7 200
(4) 72 000
Answer: (_____)

Section B: Short Answer Questions (10 × 2 marks = 20 marks)

11. Multiply 3 456 by 27.
Answer: _____________________

12. Divide 9 720 by 36.
Answer: _____________________

13. Find the product of 5 080 and 42.
Answer: _____________________

14. 14 560 ÷ 56 = _______
Answer: _____________________

15. A baker uses 325 g of flour to make one loaf of bread. How many grams of flour does he need to make 18 loaves?
Answer: _____________________ g

16. There are 2 340 marbles to be packed equally into 45 bags. How many marbles are there in each bag?
Answer: _____________________

17. Estimate the value of 4 872 × 38 by rounding each number to the nearest ten.
Answer: _____________________

18. A rectangular hall has an area of 12 600 m². If its length is 140 m, find its breadth.
Answer: _____________________ m

19. 7 200 ÷ 8 = _______ × 10
Answer: _____________________

20. A machine prints 1 850 pages per hour. How many pages does it print in 6 hours?
Answer: _____________________

Answers

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Primary 5 Mathematics Quiz - Multiplication Division (Answer Key)

Total Marks: 40

Section A: Multiple Choice Questions (10 × 1 mark = 10 marks)

1. Answer: (4) 15 372
Working:
427 × 36
= 427 × (30 + 6)
= (427 × 30) + (427 × 6)
= 12 810 + 2 562
= 15 372

2. Answer: (2) 70
Working:
5 600 ÷ 80
= 560 ÷ 8 (divide both by 10)
= 70

3. Answer: (3) 3 500 × 30 = 105 000
Reasoning:
3 482 rounds to 3 500 (nearest hundred)
29 rounds to 30 (nearest ten)
3 500 × 30 = 105 000
This is the closest estimate among the options.

4. Answer: (2) 90
Working:
7 200 ÷ (40 × 2)
= 7 200 ÷ 80
= 720 ÷ 8
= 90

5. Answer: (1) 2 880
Working:
Biscuits in 1 box = 24 × 15 = 360
Biscuits in 8 boxes = 360 × 8 = 2 880

6. Answer: (2) 70
Working:
6 300 ÷ 90
= 630 ÷ 9
= 70

7. Answer: (2) 180
Working:
Other number = 12 600 ÷ 70
= 1 260 ÷ 7
= 180

8. Answer: (2) 450 × 600
Working:
4 500 × 60 = 270 000
Check options:
(1) 450 × 6 = 2 700 ✗
(2) 450 × 600 = 270 000 ✓
(3) 45 × 6 000 = 270 000 ✓ (also mathematically correct)
(4) 45 × 600 = 27 000 ✗

Note: Both (2) and (3) give 270 000. The intended answer following the pattern of moving zeros is (2) 450 × 600.

9. Answer: (3) 30 000
Working:
1 250 × 24
= 1 250 × 20 + 1 250 × 4
= 25 000 + 5 000
= 30 000

10. Answer: (2) 720
Working:
8 640 ÷ 12
12 × 700 = 8 400
8 640 - 8 400 = 240
12 × 20 = 240
So 700 + 20 = 720

Section B: Short Answer Questions (10 × 2 marks = 20 marks)

11. Answer: 93 312 (2 marks)
Working:
3 456 × 27
= 3 456 × 20 + 3 456 × 7
= 69 120 + 24 192
= 93 312

Marking: 1 mark for correct method (partitioning), 1 mark for correct final answer.

12. Answer: 270 (2 marks)
Working:
9 720 ÷ 36
Long division:
36 × 200 = 7 200
9 720 - 7 200 = 2 520
36 × 70 = 2 520
So 200 + 70 = 270

Marking: 1 mark for correct method, 1 mark for correct final answer.

13. Answer: 213 360 (2 marks)
Working:
5 080 × 42
= 5 080 × 40 + 5 080 × 2
= 203 200 + 10 160
= 213 360

Marking: 1 mark for correct method, 1 mark for correct final answer.

14. Answer: 260 (2 marks)
Working:
14 560 ÷ 56
56 × 200 = 11 200
14 560 - 11 200 = 3 360
56 × 60 = 3 360
So 200 + 60 = 260

Marking: 1 mark for correct method, 1 mark for correct final answer.

15. Answer: 5 850 g (2 marks)
Working:
325 × 18
= 325 × 10 + 325 × 8
= 3 250 + 2 600
= 5 850

Marking: 1 mark for correct multiplication, 1 mark for correct answer with unit.

16. Answer: 52 (2 marks)
Working:
2 340 ÷ 45
45 × 50 = 2 250
2 340 - 2 250 = 90
45 × 2 = 90
So 50 + 2 = 52

Marking: 1 mark for correct method, 1 mark for correct final answer.

17. Answer: 194 800 (2 marks)
Working:
4 872 rounded to nearest ten = 4 870
38 rounded to nearest ten = 40
4 870 × 40 = 194 800

Marking: 1 mark for correct rounding, 1 mark for correct estimated product.

18. Answer: 90 m (2 marks)
Working:
Area = Length × Breadth
12 600 = 140 × Breadth
Breadth = 12 600 ÷ 140
= 1 260 ÷ 14
= 90

Marking: 1 mark for correct formula/method, 1 mark for correct answer with unit.

19. Answer: 90 (2 marks)
Working:
7 200 ÷ 8 = 900
900 = _____ × 10
_____ = 900 ÷ 10 = 90

Marking: 1 mark for finding 7 200 ÷ 8 = 900, 1 mark for finding the missing number.

20. Answer: 11 100 (2 marks)
Working:
1 850 × 6
= 1 850 × 3 × 2
= 5 550 × 2
= 11 100

Marking: 1 mark for correct multiplication, 1 mark for correct final answer.

Common Mistakes to Avoid

  1. Place value errors in multiplication: When multiplying by tens/hundreds, remember to add zeros correctly (e.g., 427 × 30 = 12 810, not 1 281).
  2. Division by multiples of 10: Simplify by cancelling zeros first (e.g., 5 600 ÷ 80 = 560 ÷ 8).
  3. Order of operations: Always do brackets first, then multiplication/division, then addition/subtraction.
  4. Estimation: Round numbers as instructed (nearest ten, hundred, etc.) before calculating.
  5. Units: Always include units in final answers for word problems (g, m, bags, etc.).
  6. Multi-step problems: Show all steps clearly. Find intermediate answers before the final answer.