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Primary 6 PSLE Mathematics Semestral Assessment 2 (End of Year) Paper 5
Free P6 PSLE Maths SA2 Paper 5, HY3 Exam version, with questions, answers, and PSLE-focused practice for Singapore students.
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Questions
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Answers
Answer Key – SA2 Practice Paper Version 5 (Whole Numbers)
Total Marks: 60
Level: Primary 6 PSLE
Topic: Whole Numbers
Section A (20 marks)
1. (2 marks)
Answer: Seven million forty-three thousand two hundred and eighteen.
Teaching note: Read from left: 7 (millions) → 043 (thousands) → 218. Common mistake: writing “seven million and forty-three thousand” without “and” at correct place; “and” is used at decimal point or for fractions in standard Singapore convention, but for whole numbers we say “seven million forty-three thousand two hundred eighteen” or with “and” before tens if dialect; MOE accepts “seven million forty-three thousand two hundred and eighteen”.
2. (2 marks)
Answer: Millions.
Teaching note: 52 917 364 → digit 5 is in the ten-millions place? Wait: 52 million means 5 is ten-millions, 2 is millions. Actually 52,917,364: 5 is ten millions, 2 is millions. The question says digit 5 in 52 917 364 → place value is ten millions. Correction: Answer: Ten millions.
(Mark: 2 for correct place value.)
3. (2 marks)
Answer: 4 700 000.
Working: 4 689 215 → hundred thousands digit is 6, next digit 8 ≥ 5, round up to 4 700 000.
4. (2 marks)
Answer: 53 084.
Working: 3 412 + 58 907 = 62 319; 62 319 − 9 235 = 53 084.
5. (2 marks)
Answer: 22 325 toys.
Working: 12 450 + 9 875 = 22 325.
6. (2 marks)
Answer: 84 210.
Working: 2 406 × 35 = 2 406 × 30 + 2 406 × 5 = 72 180 + 12 030 = 84 210.
7. (2 marks)
Answer: 76 students.
Working: 1 824 ÷ 24 = 76.
8. (2 marks)
Answer: 18.
Working: 45 × 219 = 9 855; 9 873 − 9 855 = 18. Or 9 873 ÷ 45 = 219 R 18.
9. (2 marks)
Answer: 7 000.
Working: 28 000 ÷ 4 = 7 000.
10. (2 marks)
Answer: 290 000.
Working: 305 000 − 15 000 = 290 000.
Section B (18 marks)
11. (3 marks)
Answer: 78 775 packets.
Working: Total delivered = 37 450 + 28 975 = 66 425. Left = 145 200 − 66 425 = 78 775.
(Marks: 1 for sum delivered, 2 for subtraction.)
12. (3 marks)
Answer: $5 115.
Working: Total earned = 4 250 + 3 780 = 8 030. Left = 8 030 − 2 915 = 5 115.
13. (3 marks)
Answer: 2 688 passengers.
Working: 48 × 56 = 48 × 50 + 48 × 6 = 2 400 + 288 = 2 688.
14. (3 marks)
Answer: 81 470 books.
Working: 86 400 − 12 350 = 74 050; 74 050 + 7 420 = 81 470.
15. (3 marks)
Answer: 108 boxes; = 108 × 24 = 2 592.
(Marks: 1 for boxes, 2 for total $.)
16. (3 marks)
Answer: 370 250 people.
Working: Town B = 234 500 − 98 750 = 135 750. Total = 234 500 + 135 750 = 370 250.
Section C (22 marks)
17. (4 marks)
Answer: $15 000.
Working: Ticket + donations = 23 750 + 19 650 = 43 400. Auction = 58 400 − 43 400 = 15 000.
(Marks: 2 for sum, 2 for subtraction.)
18. (4 marks)
Answer: 997 km; 39.88 L (or 39.9 L).
Working: Distance = 312 + 287 + 398 = 997 km. Fuel = (997 ÷ 100) × 4 = 9.97 × 4 = 39.88 L.
(Marks: 2 for distance, 2 for fuel.)
19. (4 marks)
Answer: 21 cartons.
Working: Total cartons = 15 000 ÷ 250 = 60. Sold cartons = 9 750 ÷ 250 = 39. Left = 60 − 39 = 21.
(Marks: 1 each for total, sold, subtract, answer.)
20. (6 marks)
Answer: $48 150.
Working:
Start: 120 000
Less car: −78 500 → 41 500
Less motorcycle: −15 750 → 25 750
Add scooter: +22 400 → 48 150.
(Marks: 1 for start, 1 car, 1 moto, 1 add, 2 final clear working.)