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Primary 5 Mathematics Practice Paper 5
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Questions
TuitionGoWhere Practice Paper - Mathematics Primary 5
TuitionGoWhere Practice Paper (AI)
Subject: Mathematics
Level: Primary 5
Paper: Practice Paper — Whole Numbers (Version 5 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 indicated.
- Do not use a calculator.
- The number of marks for each question is shown in brackets [ ].
Section A: Short Answer Questions (20 marks)
Questions 1–10. Each question carries 2 marks.
1. Write the following number in numerals.
Three million, four hundred and fifty-six thousand, seven hundred and eight.
Answer: ___________________________
2. What is the value of the digit 7 in the number 4,735,209?
Answer: ___________________________
3. Arrange the following numbers in order, starting with the smallest.
5,203,618 5,023,816 5,320,168 5,032,681
Answer: _________, _________, _________, _________
4. Round 6,487,352 to the nearest hundred thousand.
Answer: ___________________________
5. Fill in the missing number.
8,500,000 = 8,000,000 + ___________ + 0 + 0 + 0 + 0 + 0
Answer: ___________________________
6. Find the product.
250 × 600 = ___________
Answer: ___________________________
7. Find the quotient.
72,000 ÷ 800 = ___________
Answer: ___________________________
8. Evaluate the following expression using order of operations.
48 + 36 ÷ 6 × 5 − 7
Answer: ___________________________
9. Evaluate the following expression.
(25 + 15) × (8 − 3)
Answer: ___________________________
10. A factory produced 4,800 toys in one day. The toys were packed equally into 16 boxes. How many toys were in each box?
Answer: ___________________________
Section B: Structured Questions (12 marks)
Questions 11–14. Show your working clearly.
11. A school library had 125,680 books. The school donated 38,450 books to a community centre and then received a donation of 15,720 new books.
(a) How many books were left after the donation to the community centre? [2]
Answer: ___________________________
(b) How many books did the library have after receiving the new donation? [2]
Answer: ___________________________
12. A fruit seller had 3,600 oranges. He sold 250 oranges each day for 12 days.
(a) How many oranges did he sell altogether? [2]
Answer: ___________________________
(b) How many oranges did he have left? [2]
Answer: ___________________________
13. The population of Town A is 4,562,300. The population of Town B is 3,785,450.
(a) What is the difference in population between the two towns? [2]
Answer: ___________________________
(b) What is the total population of both towns? Round your answer to the nearest ten thousand. [2]
Answer: ___________________________
Section C: Word Problem (8 marks)
Questions 14–15. Show all your working clearly.
14. Mr Tan earned 4,800∗∗inJanuary.InFebruary,heearned∗∗650 more than in January. In March, he earned twice as much as in February.
(a) How much did Mr Tan earn in February? [2]
Answer: ___________________________
(b) How much did Mr Tan earn in March? [2]
Answer: ___________________________
(c) What was Mr Tan's total earnings over the three months? [2]
Answer: ___________________________
15. A warehouse had 2,400,000 grains of rice. The rice was packed into bags of 50,000 grains each. The bags were then loaded equally onto 8 trucks.
(a) How many bags of rice were packed? [2]
Answer: ___________________________
(b) How many bags were loaded onto each truck? [2]
Answer: ___________________________
— End of Paper —
Answers
TuitionGoWhere Practice Paper — Mathematics Primary 5
Answer Key — Whole Numbers (Version 5 of 5)
Section A: Short Answers (20 marks)
1. Write in numerals: Three million, four hundred and fifty-six thousand, seven hundred and eight.
Answer: 3,456,708
Working:
- Three million = 3,000,000
- Four hundred and fifty-six thousand = 456,000
- Seven hundred and eight = 708
- Combined: 3,000,000 + 456,000 + 708 = 3,456,708
[2 marks] — 1 mark for correct placement of millions, thousands, and ones; 1 mark for correct final answer.
2. Value of digit 7 in 4,735,209.
Answer: 700,000 (seven hundred thousand)
Working:
- The digit 7 is in the hundred thousands place.
- 7 × 100,000 = 700,000
[2 marks] — 1 mark for identifying the correct place value; 1 mark for the correct value.
3. Arrange from smallest to largest: 5,203,618; 5,023,816; 5,320,168; 5,032,681
Answer: 5,023,816, 5,032,681, 5,203,618, 5,320,168
Working:
- All numbers have 5 millions, so compare the hundred thousands digit:
- 5,023,816 → hundred thousands digit = 0
- 5,032,681 → hundred thousands digit = 0 (compare ten thousands: 3 > 2, so 5,032,681 > 5,023,816)
- 5,203,618 → hundred thousands digit = 2
- 5,320,168 → hundred thousands digit = 3
- Order: 5,023,816 < 5,032,681 < 5,203,618 < 5,320,168
[2 marks] — 1 mark for correct identification of smallest and largest; 1 mark for fully correct order.
4. Round 6,487,352 to the nearest hundred thousand.
Answer: 6,500,000
Working:
- The hundred thousands digit is 4 (in 6,487,352).
- The ten thousands digit is 8, which is ≥ 5, so we round up.
- 6,487,352 → 6,500,000
[2 marks] — 1 mark for identifying the correct place value to round; 1 mark for correct rounded answer.
5. Fill in the missing number: 8,500,000 = 8,000,000 + ___________ + 0 + 0 + 0 + 0 + 0
Answer: 500,000
Working:
- 8,500,000 − 8,000,000 = 500,000
- The missing number is in the hundred thousands place.
[2 marks] — 1 mark for correct subtraction; 1 mark for correct answer.
6. 250 × 600 = ___________
Answer: 150,000
Working:
- 250 × 600 = 250 × 6 × 100
- 250 × 6 = 1,500
- 1,500 × 100 = 150,000
[2 marks] — 1 mark for correct method; 1 mark for correct final answer.
7. 72,000 ÷ 800 = ___________
Answer: 90
Working:
- 72,000 ÷ 800 = 72,000 ÷ 8 ÷ 100
- 72,000 ÷ 8 = 9,000
- 9,000 ÷ 100 = 90
Alternative: Cancel zeros: 72,000 ÷ 800 = 720 ÷ 8 = 90
[2 marks] — 1 mark for correct method; 1 mark for correct final answer.
8. 48 + 36 ÷ 6 × 5 − 7
Answer: 71
Working (BODMAS):
- Division first: 36 ÷ 6 = 6
- Multiplication: 6 × 5 = 30
- Addition: 48 + 30 = 78
- Subtraction: 78 − 7 = 71
[2 marks] — 1 mark for correct order of operations; 1 mark for correct final answer.
9. (25 + 15) × (8 − 3)
Answer: 200
Working:
- Brackets first: 25 + 15 = 40
- Brackets: 8 − 3 = 5
- Multiply: 40 × 5 = 200
[2 marks] — 1 mark for evaluating brackets correctly; 1 mark for correct final answer.
10. 4,800 toys ÷ 16 boxes = ___________
Answer: 300 toys
Working:
- 4,800 ÷ 16 = 4,800 ÷ 4 ÷ 4 = 1,200 ÷ 4 = 300
[2 marks] — 1 mark for correct method; 1 mark for correct answer with unit.
Section B: Structured Questions (12 marks)
11. Library books: 125,680 books. Donated 38,450. Received 15,720.
(a) Books left after donation:
Answer: 87,230 books
Working:
- 125,680 − 38,450 = 87,230
[2 marks] — 1 mark for correct subtraction; 1 mark for correct answer.
(b) Books after receiving new donation:
Answer: 102,950 books
Working:
- 87,230 + 15,720 = 102,950
[2 marks] — 1 mark for correct addition; 1 mark for correct answer.
12. Fruit seller: 3,600 oranges. Sold 250/day for 12 days.
(a) Oranges sold altogether:
Answer: 3,000 oranges
Working:
- 250 × 12 = 250 × 10 + 250 × 2 = 2,500 + 500 = 3,000
[2 marks] — 1 mark for correct multiplication; 1 mark for correct answer.
(b) Oranges left:
Answer: 600 oranges
Working:
- 3,600 − 3,000 = 600
[2 marks] — 1 mark for correct subtraction; 1 mark for correct answer.
13. Town A: 4,562,300. Town B: 3,785,450.
(a) Difference in population:
Answer: 776,850
Working:
- 4,562,300 − 3,785,450 = 776,850
[2 marks] — 1 mark for correct subtraction; 1 mark for correct answer.
(b) Total population, rounded to nearest ten thousand:
Answer: 8,350,000
Working:
- Total: 4,562,300 + 3,785,450 = 8,347,750
- Round to nearest ten thousands: Look at the thousands digit = 7 (≥ 5), so round up.
- 8,347,750 → 8,350,000
[2 marks] — 1 mark for correct addition; 1 mark for correct rounding.
Section C: Word Problems (8 marks)
14. Mr Tan's earnings: January = 4,800.February=650 more than January. March = twice February.
(a) February earnings:
Answer: $5,450
Working:
- 4,800+650 = $5,450
[2 marks] — 1 mark for correct addition; 1 mark for correct answer with unit.
(b) March earnings:
Answer: $10,900
Working:
- 5,450×2=∗∗10,900**
[2 marks] — 1 mark for correct multiplication; 1 mark for correct answer with unit.
(c) Total earnings over three months:
Answer: $21,150
Working:
- 4,800+5,450 + 10,900=∗∗21,150**
[2 marks] — 1 mark for correct addition; 1 mark for correct answer with unit.
15. Warehouse: 2,400,000 grains. Bags of 50,000 grains. Loaded onto 8 trucks equally.
(a) Number of bags packed:
Answer: 48 bags
Working:
- 2,400,000 ÷ 50,000 = 2,400,000 ÷ 50 ÷ 1,000 = 48,000 ÷ 1,000 = 48
Alternative: Cancel zeros: 2,400,000 ÷ 50,000 = 2,400 ÷ 50 = 48
[2 marks] — 1 mark for correct division; 1 mark for correct answer with unit.
(b) Bags per truck:
Answer: 6 bags
Working:
- 48 ÷ 8 = 6
[2 marks] — 1 mark for correct division; 1 mark for correct answer with unit.
— End of Answer Key —
Total: 40 marks
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