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Primary 4 Mathematics Semestral Assessment 2 (End of Year) Paper 3

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Questions

TuitionGoWhere Practice Paper - Mathematics Primary 4

TuitionGoWhere Exam Practice (AI)

Subject: Mathematics
Level: Primary 4
Paper: SA2 Version 3
Duration: 1 hour 30 minutes
Total Marks: 100

Name: _______________________
Class: Primary 4 _______
Date: _______________________

INSTRUCTIONS TO CANDIDATES

Do not turn over this page until you are told to do so.
Follow all instructions carefully.
Answer all questions.
Write your answers in this booklet.
The number of marks is given in brackets [ ] at the end of each question or part question.
The total number of marks for this paper is 100.
You may use a calculator for this paper.

SECTION A: Multiple-Choice Questions (20 marks)

Questions 1 to 10 carry 2 marks each. For each question, four options are given. Choose the correct answer and write its number (1, 2, 3 or 4) in the brackets provided.

1. In the number 68,429, which digit is in the thousands place? [2]

(1) 6
(2) 8
(3) 4
(4) 2
Answer: (____)

2. What does the digit 7 stand for in 57,381? [2]

(1) 7
(2) 70
(3) 700
(4) 7000
Answer: (____)

3. Round 42,673 to the nearest hundred. [2]

(1) 42,600
(2) 42,700
(3) 43,000
(4) 42,670
Answer: (____)

4. Which of the following numbers when rounded to the nearest thousand gives 35,000? [2]

(1) 34,399
(2) 34,499
(3) 35,499
(4) 35,500
Answer: (____)

5. 63,000 + 4,000 + 800 + 50 + 2 = __________ [2]

(1) 67,852
(2) 67,825
(3) 67,582
(4) 67,258
Answer: (____)

6. Find the value of 84,500 − 27,800. [2]

(1) 56,700
(2) 57,700
(3) 56,300
(4) 57,300
Answer: (____)

7. What is the product of 324 and 18? [2]

(1) 5,832
(2) 5,382
(3) 5,823
(4) 5,238
Answer: (____)

8. Divide 7,245 by 9. [2]

(1) 805
(2) 850
(3) 805
(4) 855
Answer: (____)

9. A factory produced 4,850 toys in January. It produced 1,250 more toys in February than in January. How many toys did the factory produce in February? [2]

(1) 3,600
(2) 6,100
(3) 6,000
(4) 5,100
Answer: (____)

10. Mr Tan had $8,500. He bought a television set for$ 3,280 and a washing machine for $1,950. How much money had he left? [2]

(1) $3,270 (2)$ 3,720
(3) $4,270 (4)$ 5,220
Answer: (____)

SECTION B: Short-Answer Questions (40 marks)

Questions 11 to 25 carry 2 marks each. Write your answers in the spaces provided. For questions which require units, give your answers in the units stated. Show your working clearly.

11. Write 94,065 in words. [2]

12. What is the value of the digit 3 in 83,472? [2]

13. Arrange the following numbers from the smallest to the greatest. [2]

72,405 ; 72,054 ; 70,245 ; 72,540

14. Complete the number pattern. [2]

58,000 ; 56,000 ; 54,000 ; ________ ; 50,000

15. Round 29,847 to the nearest thousand. [2]

16. Find the sum of 48,372 and 25,689. [2]

17. Subtract 18,476 from 52,300. [2]

18. Multiply 406 by 27. [2]

19. Divide 6,832 by 8. [2]

20. A number when rounded to the nearest hundred is 15,300. What is the greatest possible value of this number? [2]

21. Find the difference between 80,000 and 34,567. [2]

22. There are 3,450 books in a library. There are 2,780 more magazines than books. How many magazines are there? [2]

23. A baker baked 2,450 cookies. He packed them equally into 5 boxes. How many cookies were there in each box? [2]

24. Mrs Lim bought 6 boxes of apples. There were 24 apples in each box. She gave away 35 apples. How many apples had she left? [2]

25. The sum of two numbers is 48,000. The smaller number is 18,500. What is the larger number? [2]

SECTION C: Long-Answer / Structured Questions (40 marks)

Questions 26 to 30 carry 4 to 8 marks each. Show your working clearly and write your answers in the spaces provided.

26. A stadium has 45,680 seats. [4]

(a) Round the number of seats to the nearest thousand. [1]

(b) Write your answer in (a) in words. [1]

27. A factory produced 12,450 toys in March. [4]

In April, it produced 3,280 fewer toys than in March.
In May, it produced twice as many toys as in April.

(a) How many toys were produced in April? [1]

(b) How many toys were produced in May? [1]

28. Mr Kumar had $50,000. [4]

He bought a laptop for $2,850 and a printer for$ 480.
He then divided the remaining money equally among his 4 children.

(a) How much did he spend on the laptop and printer altogether? [1]

(b) How much money had he left after buying the laptop and printer? [1]

29. A school has 3,240 students. [4]

There are 1,580 boys. The rest are girls.
The students are divided equally into 8 classes.

(a) How many girls are there in the school? [1]

(b) How many students are there in each class? [1]

30. A container can hold 8,500 ml of water. [8]

It is filled with water from 5 identical jugs and 3 identical bottles.
Each jug contains 1,200 ml of water.
Each bottle contains 650 ml of water.

(a) How much water do the 5 jugs contain altogether? [2]

(b) How much water do the 3 bottles contain altogether? [2]

(d) If the water from the jugs and bottles is poured into 10 identical cups equally, how much water is in each cup? [2]

END OF PAPER

Answers

TuitionGoWhere Practice Paper - Mathematics Primary 4 (Answer Key)

SA2 Version 3

Total Marks: 100

SECTION A: Multiple-Choice Questions (20 marks)

1. Answer: (2) 8 [2]

Explanation: In 68,429, the digits from left to right are: 6 (ten thousands), 8 (thousands), 4 (hundreds), 2 (tens), 9 (ones). The digit in the thousands place is 8.

2. Answer: (4) 7000 [2]

Explanation: In 57,381, the digit 7 is in the thousands place. Its value is 7 × 1,000 = 7,000.

3. Answer: (2) 42,700 [2]

Explanation: To round 42,673 to the nearest hundred, look at the tens digit (7). Since 7 ≥ 5, round up the hundreds digit from 6 to 7. The number becomes 42,700.

4. Answer: (3) 35,499 [2]

Explanation: Numbers that round to 35,000 when rounded to the nearest thousand are from 34,500 to 35,499.

34,399 rounds to 34,000
34,499 rounds to 34,000
35,499 rounds to 35,000 ✓
35,500 rounds to 36,000

5. Answer: (1) 67,852 [2]

Explanation: 63,000 + 4,000 = 67,000; 67,000 + 800 = 67,800; 67,800 + 50 = 67,850; 67,850 + 2 = 67,852.

6. Answer: (1) 56,700 [2]

Explanation: 84,500 − 27,800 = 56,700. (Subtract thousands: 84 − 27 = 57, but 500 − 800 requires borrowing: 84,500 − 27,800 = 56,700)

7. Answer: (1) 5,832 [2]

Explanation: 324 × 18 = 324 × (10 + 8) = 3,240 + 2,592 = 5,832.

8. Answer: (1) 805 [2]

Explanation: 7,245 ÷ 9 = 805. (9 × 800 = 7,200; 9 × 5 = 45; 7,200 + 45 = 7,245)

9. Answer: (2) 6,100 [2]

Explanation: February production = January production + 1,250 = 4,850 + 1,250 = 6,100.

10. Answer: (1) $3,270 [2]

Explanation: Total spent = $3,280 +$ 1,950 = $5,230. Money left =$ 8,500 − $5,230 =$ 3,270.

SECTION B: Short-Answer Questions (40 marks)

11. Ninety-four thousand and sixty-five [2]

Explanation: 94,065 = 94,000 + 65. In words: "Ninety-four thousand and sixty-five". Note: "and" is used before the last two digits when there are no hundreds.

12. 3,000 [2]

Explanation: In 83,472, the digit 3 is in the thousands place. Its value is 3 × 1,000 = 3,000.

13. 70,245 ; 72,054 ; 72,405 ; 72,540 [2]

Explanation: Compare ten-thousands (all 7), then thousands (0 vs 2): 70,245 is smallest. For the 72,xxx numbers, compare hundreds: 0 < 4 < 5, so 72,054 < 72,405 < 72,540.

14. 52,000 [2]

Explanation: The pattern decreases by 2,000 each time: 58,000 − 2,000 = 56,000; 56,000 − 2,000 = 54,000; 54,000 − 2,000 = 52,000; 52,000 − 2,000 = 50,000.

15. 30,000 [2]

Explanation: To round 29,847 to the nearest thousand, look at the hundreds digit (8). Since 8 ≥ 5, round up the thousands digit from 9 to 10, which makes it 30,000.

16. 74,061 [2]

Working:

  48,372
+ 25,689
--------
  74,061

Explanation: Add column by column from right: 2+9=11 (write 1, carry 1); 7+8+1=16 (write 6, carry 1); 3+6+1=10 (write 0, carry 1); 8+5+1=14 (write 4, carry 1); 4+2+1=7.

17. 33,824 [2]

Working:

  52,300
- 18,476
--------
  33,824

Explanation: Subtract with borrowing. 0−6: borrow from tens (0), which borrows from hundreds (3→2), tens become 10, then ones become 10. 10−6=4. Tens: 9−7=2. Hundreds: 2−4: borrow from thousands (2→1), hundreds become 12. 12−4=8. Thousands: 1−8: borrow from ten-thousands (5→4), thousands become 11. 11−8=3. Ten-thousands: 4−1=3.

18. 10,962 [2]

Working:

    406
  ×  27
  -----
   2842  (406 × 7)
   8120  (406 × 20)
  -----
  10962

Explanation: 406 × 7 = 2,842. 406 × 20 = 8,120. Sum = 10,962.

19. 854 [2]

Working: 6,832 ÷ 8

8 goes into 68 eight times (8×8=64), remainder 4
Bring down 3 → 43, 8 goes into 43 five times (8×5=40), remainder 3
Bring down 2 → 32, 8 goes into 32 four times (8×4=32), remainder 0
Answer: 854

20. 15,349 [2]

Explanation: When rounding to the nearest hundred, numbers from 15,250 to 15,349 round to 15,300. The greatest possible value is 15,349.

21. 45,433 [2]

Working:

  80,000
- 34,567
--------
  45,433

Explanation: Subtract with borrowing across zeros. 80,000 − 34,567 = 45,433.

22. 6,230 [2]

Working: Magazines = Books + 2,780 = 3,450 + 2,780 = 6,230.

23. 490 [2]

Working: 2,450 ÷ 5 = 490. (5 × 400 = 2,000; 5 × 90 = 450; 2,000 + 450 = 2,450)

24. 109 [2]

Working: Total apples = 6 × 24 = 144. Apples left = 144 − 35 = 109.

25. 29,500 [2]

Working: Larger number = Sum − Smaller number = 48,000 − 18,500 = 29,500.

SECTION C: Long-Answer / Structured Questions (40 marks)

26. [4]

(a) 46,000 [1] Explanation: 45,680 rounded to the nearest thousand: hundreds digit is 6 (≥5), so round up thousands digit from 5 to 6 → 46,000.

(b) Forty-six thousand [1] Explanation: 46,000 in words is "Forty-six thousand".

(c) 17,230 [2] Working: Empty seats = Total seats − Occupied seats = 45,680 − 28,450 = 17,230.

27. [4]

(a) 9,170 [1] Working: April production = March production − 3,280 = 12,450 − 3,280 = 9,170.

(b) 18,340 [1] Working: May production = 2 × April production = 2 × 9,170 = 18,340.

(c) 39,960 [2] Working: Total = March + April + May = 12,450 + 9,170 + 18,340 = 39,960. Mark breakdown: 1 mark for correct April and May values used, 1 mark for correct total.

28. [4]

**(a) $3,330** [1] **Working:** Total spent =$ 2,850 + $480 =$ 3,330.

**(b) $46,670** [1] **Working:** Money left =$ 50,000 − $3,330 =$ 46,670.

**(c) $11,667.50** [2] **Working:** Each child receives =$ 46,670 ÷ 4 = $11,667.50. Mark breakdown: 1 mark for correct division method, 1 mark for correct answer with units. Note: Since money can be in dollars and cents, the answer includes 50 cents.

29. [4]

(a) 1,660 [1] Working: Girls = Total students − Boys = 3,240 − 1,580 = 1,660.

(b) 405 [1] Working: Students per class = 3,240 ÷ 8 = 405.

(c) 197.5 → 197 or 198 (not possible to have half a boy) [2] Working: Boys per class = 1,580 ÷ 8 = 197.5. Explanation: Since the number of boys must be a whole number, it is not possible for each class to have exactly the same number of boys if there are 1,580 boys and 8 classes. The question states "If each class has the same number of boys", which is a hypothetical condition. Mathematically, 1,580 ÷ 8 = 197.5. Mark breakdown: 1 mark for division, 1 mark for correct interpretation (197.5 or stating not possible equally). Common mistake: Writing 197 or 198 without recognising the decimal.

30. [8]

(a) 6,000 ml [2] Working: 5 jugs × 1,200 ml = 6,000 ml. Mark breakdown: 1 mark for multiplication, 1 mark for correct answer with unit.

(b) 1,950 ml [2] Working: 3 bottles × 650 ml = 1,950 ml. Mark breakdown: 1 mark for multiplication, 1 mark for correct answer with unit.

(c) 550 ml [2] Working: Total water = 6,000 + 1,950 = 7,950 ml. Water needed = 8,500 − 7,950 = 550 ml. Mark breakdown: 1 mark for finding total water, 1 mark for correct subtraction and answer with unit.

(d) 795 ml [2] Working: Total water = 7,950 ml. Water per cup = 7,950 ÷ 10 = 795 ml. Mark breakdown: 1 mark for using correct total, 1 mark for correct division and answer with unit.

END OF ANSWER KEY

Questions

TuitionGoWhere Practice Paper - Mathematics Primary 4

INSTRUCTIONS TO CANDIDATES

SECTION A: Multiple-Choice Questions (20 marks)

1. In the number 68,429, which digit is in the thousands place? [2]

2. What does the digit 7 stand for in 57,381? [2]

3. Round 42,673 to the nearest hundred. [2]

4. Which of the following numbers when rounded to the nearest thousand gives 35,000? [2]

5. 63,000 + 4,000 + 800 + 50 + 2 = __________ [2]

6. Find the value of 84,500 − 27,800. [2]

7. What is the product of 324 and 18? [2]

8. Divide 7,245 by 9. [2]

9. A factory produced 4,850 toys in January. It produced 1,250 more toys in February than in January. How many toys did the factory produce in February? [2]

10. Mr Tan had 8,500.Heboughtatelevisionsetfor8,500. He bought a television set for 8,500.Heboughtatelevisionsetfor3,280 and a washing machine for $1,950. How much money had he left? [2]

SECTION B: Short-Answer Questions (40 marks)

11. Write 94,065 in words. [2]

12. What is the value of the digit 3 in 83,472? [2]

13. Arrange the following numbers from the smallest to the greatest. [2]

14. Complete the number pattern. [2]

15. Round 29,847 to the nearest thousand. [2]

16. Find the sum of 48,372 and 25,689. [2]

17. Subtract 18,476 from 52,300. [2]

18. Multiply 406 by 27. [2]

19. Divide 6,832 by 8. [2]

20. A number when rounded to the nearest hundred is 15,300. What is the greatest possible value of this number? [2]

21. Find the difference between 80,000 and 34,567. [2]

22. There are 3,450 books in a library. There are 2,780 more magazines than books. How many magazines are there? [2]

23. A baker baked 2,450 cookies. He packed them equally into 5 boxes. How many cookies were there in each box? [2]

24. Mrs Lim bought 6 boxes of apples. There were 24 apples in each box. She gave away 35 apples. How many apples had she left? [2]

25. The sum of two numbers is 48,000. The smaller number is 18,500. What is the larger number? [2]

SECTION C: Long-Answer / Structured Questions (40 marks)

26. A stadium has 45,680 seats. [4]

27. A factory produced 12,450 toys in March. [4]

28. Mr Kumar had $50,000. [4]

29. A school has 3,240 students. [4]

30. A container can hold 8,500 ml of water. [8]

Answers

TuitionGoWhere Practice Paper - Mathematics Primary 4 (Answer Key)

SECTION A: Multiple-Choice Questions (20 marks)

1. Answer: (2) 8 [2]

2. Answer: (4) 7000 [2]

3. Answer: (2) 42,700 [2]

4. Answer: (3) 35,499 [2]

5. Answer: (1) 67,852 [2]

6. Answer: (1) 56,700 [2]

7. Answer: (1) 5,832 [2]

8. Answer: (1) 805 [2]

9. Answer: (2) 6,100 [2]

10. Answer: (1) $3,270 [2]

SECTION B: Short-Answer Questions (40 marks)

11. Ninety-four thousand and sixty-five [2]

12. 3,000 [2]

13. 70,245 ; 72,054 ; 72,405 ; 72,540 [2]

14. 52,000 [2]

15. 30,000 [2]

16. 74,061 [2]

17. 33,824 [2]

18. 10,962 [2]

19. 854 [2]

20. 15,349 [2]

21. 45,433 [2]

22. 6,230 [2]

23. 490 [2]

24. 109 [2]

25. 29,500 [2]

SECTION C: Long-Answer / Structured Questions (40 marks)

26. [4]

27. [4]

28. [4]

29. [4]

30. [8]

10. Mr Tan had $8,500. He bought a television set for$ 3,280 and a washing machine for $1,950. How much money had he left? [2]