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Primary 3 Mathematics Practice Paper 4

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TuitionGoWhere Practice Paper - Mathematics Primary 3

TuitionGoWhere Practice Paper (AI)

Subject: Mathematics Level: Primary 3 Paper: Practice Paper — Whole Numbers (Version 4 of 5) Duration: 50 minutes Total Marks: 40

Name: ________________________ Class: ________________________ Date: ________________________

Instructions

Answer all questions.
Show your working clearly in the space provided.
Write your answers in the blanks where given.
Do not use a calculator.
You are allowed to use a pencil for diagrams.

Section A: Multiple Choice (10 marks)

Questions 1–10: Choose the correct answer (A, B, C, or D). Each question carries 1 mark.

1. What is the value of the digit 6 in the number 6,342?

A. 6 B. 60 C. 600 D. 6,000

Answer: ________

2. Which digit is in the hundreds place in the number 8,573?

A. 8 B. 5 C. 7 D. 3

Answer: ________

3. The number "four thousand, two hundred and five" written in numerals is:

A. 4,250 B. 4,025 C. 4,205 D. 4,502

Answer: ________

4. Which of the following is the smallest number?

A. 3,412 B. 3,214 C. 3,421 D. 3,124

Answer: ________

5. Round 4,678 to the nearest hundred.

A. 4,600 B. 4,670 C. 4,700 D. 5,000

Answer: ________

6. Which number is even?

A. 2,357 B. 3,481 C. 4,623 D. 5,842

Answer: ________

7. What is 1,000 more than 5,329?

A. 5,429 B. 6,329 C. 5,330 D. 6,320

Answer: ________

8. Arrange the following numbers in ascending order: 7,205; 7,025; 7,502; 7,052

A. 7,025; 7,052; 7,205; 7,502 B. 7,502; 7,205; 7,052; 7,025 C. 7,052; 7,025; 7,205; 7,502 D. 7,025; 7,205; 7,052; 7,502

Answer: ________

9. In the number 9,080, the digit 8 is in the __________ place.

A. ones B. tens C. hundreds D. thousands

Answer: ________

10. Which of the following numbers is closest to 6,000?

A. 5,890 B. 6,105 C. 5,999 D. 6,250

Answer: ________

Section B: Short Answer (20 marks)

Questions 11–16: Write your answer in the blank. Show your working where necessary. Each question carries 2 or 3 marks as indicated.

11. Write the following number in words.

3,506

(2 marks)

12. Write the following in numerals.

"Seven thousand, eight hundred and twelve"

(2 marks)

13. Fill in the blanks.

(a) 5,___38 > 5,738. What is the smallest digit that can go in the blank? ________

(b) 4,261 = 4,000 + ___ + 60 + 1. What is the missing value? ________

(2 marks — 1 mark each part)

14. Use the digits 2, 7, 4, 9 (each digit used once) to form:

(a) the largest possible 4-digit number: ________

(b) the smallest possible 4-digit number: ________

(2 marks — 1 mark each part)

15. Round each number to the nearest ten.

(a) 3,457 → ________

(b) 8,293 → ________

(3 marks — 1 mark each part)

16. The table below shows the number of visitors to the Singapore Zoo over four days.

Day	Visitors
Monday	4,385
Tuesday	4,853
Wednesday	4,128
Thursday	4,538

(a) On which day were there the most visitors? ________

(b) On which day were there the fewest visitors? ________

Working:

Answer: ________

(4 marks — 1 mark each for (a) and (b), 2 marks for (c))

Section C: Structured / Word Problems (10 marks)

Questions 17–20: Show all your working clearly. Each question carries 2 or 3 marks as indicated.

17. A school library has 3,765 storybooks and 2,489 non-fiction books.

(a) How many books are there in the library altogether?

Working:

Answer: ________

(b) How many more storybooks are there than non-fiction books?

Working:

Answer: ________

(3 marks — 2 marks for (a), 1 mark for (b))

18. During a charity drive, Class 3A collected $2,450** and Class 3B collected **$ 1,780.

(a) How much money did the two classes collect in total?

Working:

Answer: ________

(b) How much more did Class 3A collect than Class 3B?

Working:

Answer: ________

(3 marks — 2 marks for (a), 1 mark for (b))

19. A hawker sold 1,350 chicken rice plates in the first week and 2,180 plates in the second week. He wants to sell a total of 5,000 plates over three weeks.

How many plates must he sell in the third week to reach his target?

Working:

Answer: ________

(2 marks)

20. The population of four HDB towns are shown below.

Town	Population
Town A	8,462
Town B	8,624
Town C	8,246
Town D	8,642

(a) Arrange the populations from smallest to largest.

________, ________, ________, ________

(b) Which town's population, when rounded to the nearest hundred, becomes 8,500?

Working:

Answer: ________

(2 marks — 1 mark each for (a) and (b))

— End of Paper —

Answers

TuitionGoWhere Practice Paper — Answer Key

Mathematics Primary 3 | Whole Numbers | Version 4 of 5

Section A: Multiple Choice (10 marks)

1. What is the value of the digit 6 in the number 6,342?

Answer: D (6,000)
The digit 6 is in the thousands place. Value = 6 × 1,000 = 6,000.
Common mistake: Choosing A (6) — this is the digit itself, not its value.

2. Which digit is in the hundreds place in the number 8,573?

Answer: B (5)
Place values in 8,573: 8 (thousands), 5 (hundreds), 7 (tens), 3 (ones).

3. "Four thousand, two hundred and five" in numerals.

Answer: C (4,205)
4,000 + 200 + 5 = 4,205. Note: there are no tens, so a 0 goes in the tens place.
Common mistake: Choosing B (4,025) — this swaps the tens and ones digits.

4. Which is the smallest number?

Answer: D (3,124)
Compare digit by digit from the left: all start with 3. In the hundreds place: 1 < 2 < 4, so 3,124 is smallest.

5. Round 4,678 to the nearest hundred.

Answer: C (4,700)
The tens digit is 7 (≥ 5), so round up: 4,678 → 4,700.

6. Which number is even?

Answer: D (5,842)
An even number ends in 0, 2, 4, 6, or 8. Only 5,842 ends in an even digit.

7. What is 1,000 more than 5,329?

Answer: B (6,329)
5,329 + 1,000 = 6,329. Add 1 to the thousands digit.

8. Arrange in ascending order: 7,205; 7,025; 7,502; 7,052

Answer: A (7,025; 7,052; 7,205; 7,502)
Compare hundreds place: 0 < 0 < 2 < 5. For 7,025 and 7,052 (both have 0 hundreds), compare tens: 2 < 5, so 7,025 < 7,052.

9. In 9,080, the digit 8 is in the __________ place.

Answer: B (tens)
Place values: 9 (thousands), 0 (hundreds), 8 (tens), 0 (ones).

10. Which number is closest to 6,000?

Answer: C (5,999)
Find the difference from 6,000: A = 110, B = 105, C = 1, D = 250. The smallest difference is 1.

Section B: Short Answer (20 marks)

11. Write 3,506 in words.

Answer: Three thousand, five hundred and six
3 (thousands) + 5 (hundreds) + 0 (tens) + 6 (ones). Note: "and" is used before the ones when there are no tens.
Marking note: Accept "three thousand five hundred and six" without commas. Award 2 marks for correct answer, 1 mark if one part is wrong (e.g., "three thousand and six" — missing "five hundred").

12. Write "Seven thousand, eight hundred and twelve" in numerals.

Answer: 7,812
7,000 + 800 + 10 + 2 = 7,812.
Marking note: Award 2 marks for correct answer. Award 1 mark if the student writes 7,802 or 7,821 (digit transposition).

13. Fill in the blanks.

(a) Answer: 8
- For 5,___38 > 5,738, the hundreds digit must be greater than 7. The smallest such digit is 8.
(b) Answer: 200
- 4,261 = 4,000 + ___ + 60 + 1. The missing place is hundreds: 2 × 100 = 200.
Marking note: 1 mark each part.

14. Use digits 2, 7, 4, 9 (each used once).

(a) Largest: 9,742
- Arrange digits in descending order: 9, 7, 4, 2.
(b) Smallest: 2,479
- Arrange digits in ascending order: 2, 4, 7, 9.
Marking note: 1 mark each part. Award 0 if any digit is repeated or omitted.

15. Round to the nearest ten.

(a) 3,457 → 3,460
- Ones digit is 7 (≥ 5), so round up the tens digit: 5 → 6.
(b) 8,293 → 8,290
- Ones digit is 3 (< 5), so round down: keep the tens digit as 9.
(c) 6,555 → 6,560
- Ones digit is 5 (≥ 5), so round up the tens digit: 5 → 6.
Marking note: 1 mark each part.

16. Singapore Zoo visitors.

(a) Answer: Tuesday
- 4,853 is the largest number.
(b) Answer: Wednesday
- 4,128 is the smallest number.
(c) Answer: 725 more visitors
- Working: 4,853 − 4,128 = 725
- Step-by-step: 4,853 − 4,000 = 853; 853 − 128 = 725.
Marking note: 1 mark each for (a) and (b). For (c), award 2 marks for correct answer with working, 1 mark for correct answer without working or with minor arithmetic error.

Section C: Structured / Word Problems (10 marks)

17. School library books.

(a) Answer: 6,254 books
- Working: 3,765 + 2,489
- Step-by-step:
  - Ones: 5 + 9 = 14 → write 4, carry 1
  - Tens: 6 + 8 + 1 = 15 → write 5, carry 1
  - Hundreds: 7 + 4 + 1 = 12 → write 2, carry 1
  - Thousands: 3 + 2 + 1 = 6
  - Total: 6,254
(b) Answer: 1,276 more storybooks
- Working: 3,765 − 2,489
- Step-by-step:
  - Ones: 5 − 9 → borrow → 15 − 9 = 6
  - Tens: 5 − 8 → borrow → 15 − 8 = 7
  - Hundreds: 6 − 4 = 2
  - Thousands: 3 − 2 = 1
  - Difference: 1,276
Marking note: (a) — 2 marks: 1 for correct method/working, 1 for correct answer. (b) — 1 mark for correct answer.

18. Charity drive.

(a) Answer: $4,230
- Working: $2,450 +$ 1,780
- Step-by-step:
  - Ones: 0 + 0 = 0
  - Tens: 5 + 8 = 13 → write 3, carry 1
  - Hundreds: 4 + 7 + 1 = 12 → write 2, carry 1
  - Thousands: 2 + 1 + 1 = 4
  - Total: $4,230
(b) Answer: $670
- Working: $2,450 −$ 1,780
- Step-by-step:
  - Ones: 0 − 0 = 0
  - Tens: 5 − 8 → borrow → 15 − 8 = 7
  - Hundreds: 3 − 7 → borrow → 13 − 7 = 6
  - Thousands: 1 − 1 = 0
  - Difference: $670
Marking note: (a) — 2 marks: 1 for correct method/working, 1 for correct answer. (b) — 1 mark for correct answer.

19. Chicken rice plates.

Answer: 1,470 plates
Working:
- Total sold in first two weeks: 1,350 + 2,180 = 3,530
- Plates needed in third week: 5,000 − 3,530 = 1,470
- Step-by-step:
  - 1,350 + 2,180: 1,000 + 2,000 = 3,000; 350 + 180 = 530; total = 3,530
  - 5,000 − 3,530: 5,000 − 3,000 = 2,000; 2,000 − 530 = 1,470
Marking note: Award 2 marks for correct answer with clear working. Award 1 mark for correct answer without working, or for correct method with minor arithmetic error.

20. HDB town populations.

(a) Answer: 8,246; 8,462; 8,624; 8,642
- Compare digit by digit from the left:
  - All start with 8 (thousands).
  - Hundreds: 2 < 4 < 6 = 6, so 8,246 is smallest, then 8,462.
  - For 8,624 and 8,642 (both have 6 hundreds): compare tens: 2 < 4, so 8,624 < 8,642.
(b) Answer: Town A (8,462)
- Working:
  - Town A: 8,462 → tens digit is 6 (≥ 5) → round up → 8,500 ✓
  - Town B: 8,624 → rounds to 8,600
  - Town C: 8,246 → rounds to 8,200
  - Town D: 8,642 → rounds to 8,600
- Only Town A rounds to 8,500.
Marking note: 1 mark each part. For (a), award 0 if the order is not fully correct. For (b), award the mark for the correct town name; working is not required but helps confirm reasoning.

Total: 40 marks