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Primary 6 PSLE Mathematics Addition Subtraction Quiz

Free P6 PSLE Maths Addition Subtraction quiz, AI version, with questions, answers, and PSLE-focused practice for Singapore students.

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Primary 6 PSLE Mathematics AI Generated Generated by DeepSeek V4 Flash Sample 02 Updated 2026-08-17

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Questions

Primary 6 PSLE Mathematics Quiz - Addition Subtraction

Name: ___________________________________ Class: ___________________________________ Date: ___________________________________ Score: ___________ / 40 Duration: 60 minutes Total Marks: 40

Instructions:

Answer all questions. Show your working clearly for all questions. Marks may be awarded for correct working even if the final answer is wrong.
Write your final answer in the space provided.
You may use a calculator.
This quiz has three sections.

Section A: Multiple Choice (Questions 1 to 5) (5 × 1 mark = 5 marks)

Circle the correct answer.

What is the sum of 456 789 and 234 567? (A) 690 356 (B) 691 356 (C) 691 346 (D) 691 456

_____ (1 mark)
A baker had 10 000 eggs. He used 3 456 eggs on Monday and 2 789 eggs on Tuesday. How many eggs did he use in total? (A) 6 245 (B) 5 245 (C) 5 235 (D) 6 345

_____ (1 mark)
What is the difference between 80 000 and 38 452? (A) 41 548 (B) 41 558 (C) 42 548 (D) 42 448

_____ (1 mark)
5 000 000 – 2 456 789 = ? (A) 2 543 211 (B) 3 543 211 (C) 3 544 211 (D) 2 544 211

_____ (1 mark)
A company produced 435 670 toys in January and 389 450 toys in February. How many more toys did it produce in January than in February? (A) 56 220 (B) 46 220 (C) 46 320 (D) 56 320

_____ (1 mark)

Section B: Short Answer (Questions 6 to 15) (10 × 2 marks = 20 marks)

Show your working clearly. Write your answer in the blank.

Mr. Lim saved $2 500 in June. In July, he saved$ 350 more than in June. In August, he saved $180 less than in July. How much did he save altogether from June to August?

Answer: $ ___________ (2 marks)
A farm has 1 250 chickens, 850 ducks, and 680 geese. How many more chickens than geese are there? How many total farm birds are there? (a) More chickens than geese: ___________ (1 mark) (b) Total farm birds: ___________ (1 mark)
The total mass of a bag of rice and a bag of flour is 45 kg. The bag of flour is 7 kg lighter than the bag of rice. Find the mass of the bag of rice.

Answer: ___________ kg (2 marks)
Find the value of: 12 345 + 23 456 – 8 765.

Answer: ___________ (2 marks)
A school had 2 430 pupils. 1 255 pupils are boys. How many more boys than girls are there in the school?

Answer: ___________ (2 marks)

Ali had 3 200 stamps. He gave 1 250 stamps to his brother and 980 stamps to his friend. How many stamps did he have left?

Answer: ___________ stamps (2 marks)

The sum of two numbers is 9 876. The smaller number is 3 246. What is the larger number?

Answer: ___________ (2 marks)

A factory made 12 600 bottles of water. 4 350 bottles were sold in the morning and 3 890 bottles were sold in the afternoon. How many bottles were left unsold?

Answer: ___________ bottles (2 marks)

A number is 5 678 more than 23 456. What is the sum of this number and 12 345?

Answer: ___________ (2 marks)

Find the difference between the sum of 45 678 and 23 456, and the number 38 765.

Answer: ___________ (2 marks)

Section C: Problem Solving (Questions 16 to 20) (3 × 3 marks + 2 × 4 marks = 15 marks)

Show your working clearly.

Mrs. Tan had a roll of cloth measuring 50 m. She used 18.45 m to make curtains and 12.3 m to make cushion covers. How much cloth did she have left? Give your answer in metres.

Answer: ___________ m (3 marks)

A bus started its journey with 45 passengers. At the first stop, 12 passengers boarded and 7 alighted. At the second stop, 8 passengers boarded and 15 alighted. How many passengers were on the bus after the second stop?

Answer: ___________ passengers (3 marks)

A fruit seller bought 4 crates of oranges. Each crate contained 125 oranges. He sold 238 oranges and threw away the rotten ones. How many oranges were thrown away if there were 47 rotten oranges in total?

Answer: ___________ oranges (3 marks)

There were 40 more girls than boys in a school hall. After 15 boys left the hall, the number of girls became twice the number of boys remaining. How many children were there in the hall at first?

Diagram for Q19 (P6 Maths)

Generated diagram for Q19.

Answer: ___________ children (4 marks)

20. A stadium has 35 000 seats. On a Saturday, 28 460 tickets were sold. On Sunday, 5 200 more tickets were sold than on Saturday. How many seats were empty over the two days?

Answer: ___________ seats (4 marks)

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Answers

Primary 6 PSLE Mathematics Quiz - Addition Subtraction (Answer Key)

Total Marks: 40

Section A: Multiple Choice (5 × 1 mark = 5 marks)

Answer: (B) 691 356 Explanation: Adding 456 789 and 234 567: 456 789 + 234 567 = 691 356. (1 mark) Common mistake: Forgetting to carry over. E.g., 6+7=13, carry 1.
Answer: (A) 6 245 Explanation: Total eggs used = 3 456 + 2 789 = 6 245. (1 mark) Common mistake: Subtracting instead of adding.
Answer: (A) 41 548 Explanation: Difference = 80 000 - 38 452 = 41 548. (1 mark)
Answer: (A) 2 543 211 Explanation: 5 000 000 - 2 456 789 = 2 543 211. (1 mark) Common mistake: Misaligning digits when subtracting.
Answer: (B) 46 220 Explanation: Difference = 435 670 - 389 450 = 46 220. (1 mark)

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

Answer: $8 220 Explanation:
- June: $2 500
- July: $2 500 +$ 350 = $2 850
- August: $2 850 -$ 180 = $2 670
- Total: $2 500 +$ 2 850 + $2 670 =$ 8 220 (1 mark for July, 1 mark for total) Key concept: Step-by-step addition and subtraction following the problem's timeline.
Answer: (a) 570; (b) 2 780 Explanation:
- (a) More chickens than geese: 1 250 - 680 = 570 (1 mark)
- (b) Total farm birds: 1 250 + 850 + 680 = 2 780 (1 mark)
Answer: 26 kg Explanation:
- Let the mass of the bag of rice be R kg. The mass of the bag of flour is (R - 7) kg.
- R + (R - 7) = 45
- 2R - 7 = 45
- 2R = 52
- R = 26
- The bag of rice weighs 26 kg. (2 marks for correct answer, 1 mark for correct method) Key concept: Using the 'total and difference' method: Larger number = (Sum + Difference) ÷ 2. Here, (45 + 7) ÷ 2 = 52 ÷ 2 = 26.
Answer: 27 036 Explanation: 12 345 + 23 456 = 35 801. Then, 35 801 - 8 765 = 27 036. (2 marks) Key concept: Follow the order of operations (addition then subtraction, left to right).
Answer: 80 Explanation:
- Number of girls: 2 430 - 1 255 = 1 175
- More boys than girls: 1 255 - 1 175 = 80 (2 marks) Common mistake: Forgetting to find the number of girls first.
Answer: 970 Explanation: Total given away: 1 250 + 980 = 2 230. Stamps left: 3 200 - 2 230 = 970. (2 marks)
Answer: 6 630 Explanation: Larger number = Sum - Smaller number = 9 876 - 3 246 = 6 630. (2 marks) Key concept: Understanding the relationship between parts and whole in addition.
Answer: 4 360 Explanation:
- Total sold: 4 350 + 3 890 = 8 240
- Bottles left: 12 600 - 8 240 = 4 360 (2 marks)
Answer: 41 479 Explanation:
- The number is 23 456 + 5 678 = 29 134
- Sum of this number and 12 345: 29 134 + 12 345 = 41 479 (2 marks)
Answer: 30 369 Explanation:
- Sum: 45 678 + 23 456 = 69 134
- Difference: 69 134 - 38 765 = 30 369 (2 marks)

Section C: Problem Solving (3 × 3 marks + 2 × 4 marks = 15 marks)

Answer: 19.25 m Explanation:
- Total cloth used: 18.45 + 12.3 = 30.75 m (1 mark for method)
- Cloth left: 50 - 30.75 = 19.25 m (1 mark for correct calculation)
- Final answer: 19.25 m (1 mark) Key concept: Addition of decimals (align decimal points) followed by subtraction.
Answer: 43 passengers Explanation:
- After first stop: 45 + 12 - 7 = 50 passengers (1 mark)
- After second stop: 50 + 8 - 15 = 43 passengers (1 mark)
- Final answer: 43 passengers (1 mark) Key concept: Sequential addition and subtraction representing boarding and alighting.
Answer: 215 oranges Explanation:
- Total oranges bought: 4 × 125 = 500 oranges (1 mark for method)
- Oranges sold and rotten: 238 + 47 = 285 oranges (1 mark for method)
- Oranges thrown away: 500 - 285 = 215 oranges (1 mark for final answer) Key concept: Multi-step problem involving multiplication, addition, and subtraction.
Answer: 160 children Explanation:
- Let the number of boys at first be B.
- Number of girls at first: B + 40
- After 15 boys left, boys left = B - 15.
- According to the problem: (B + 40) = 2 × (B - 15) (1 mark for equation)
- Solving: B + 40 = 2B - 30
- 40 + 30 = 2B - B
- B = 70 (1 mark for solving)
- Boys at first = 70, Girls at first = 70 + 40 = 110
- Total children at first = 70 + 110 = 160 (1 mark for total)
- Final answer: 160 children (1 mark) Key concept: Solving a word problem using a simple algebraic equation or bar model. The model shows a clear 'before and after' relationship.
Answer: 7 880 seats Explanation:
- Tickets sold on Sunday: 28 460 + 5 200 = 33 660 (1 mark)
- Total tickets sold: 28 460 + 33 660 = 62 120 (1 mark)
- Total capacity over 2 days: 35 000 + 35 000 = 70 000 (1 mark)
- Empty seats: 70 000 - 62 120 = 7 880 (1 mark) Key concept: Understanding the problem asks for the total number of empty seats over two days, not just the single-day difference. Requires finding the total capacity and total tickets sold.