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Primary 5 Mathematics Weighted Assessment 1 (Term 1) Paper 3
Free P5 Maths WA1 Paper 3, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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TuitionGoWhere P5 Maths WA1 2026 v3 - Answer Key
Section A: Multiple Choice (10 marks)
- (C) - 7 is in the ten thousands place, so its value is 70 thousands
- (C) - 3,847,625 rounds to 3,900,000 when rounded to the nearest hundred thousand
- (A) - Using BODMAS: 5 + 4 × 2 - 3 = 5 + 8 - 3 = 10
- (A) - 3/5 = 9/15 (multiply numerator and denominator by 3)
- (B) - 2/3 + 1/6 = 4/6 + 1/6 = 5/6
- (C) - 4.08 = 4 + 8 hundredths
- (B) - 2.7 × 100 = 270
- (A) - 0.032 < 0.203 < 0.23 < 0.3
- (C) - The sum of angles in any triangle is always 180°
- (B) - Perimeter = 36 cm, so each side = 36 ÷ 4 = 9 cm
Section B: Short Answer (15 marks)
11. Two million, seven hundred and five thousand, four hundred and thirty-one
12. 8,400 ÷ 100 × 10 = 84 × 10 = 840
13. a) 8/12 = 2/3 (divide by 4) b) 15/25 = 3/5 (divide by 5)
14. a) 1/4 = 0.25 b) 3/10 = 0.3
15. 1/2 + _____ = 7/8 _____ = 7/8 - 1/2 _____ = 7/8 - 4/8 _____ = 3/8
16. Area = length × breadth = 14 × 6 = 84 cm²
Section C: Word Problems (15 marks)
17. Ahmad's stickers = 6,248 Ravi has 2,567 more than Ahmad Ravi's stickers = 6,248 + 2,567 = 8,815
Answer: Ravi has 8,815 stickers.
18. Apples = 2/3 kg Oranges = 1/4 kg Total = 2/3 + 1/4 = 8/12 + 3/12 = 11/12 kg
Answer: The total mass is 11/12 kg.
19. a) Cost of rice = 4 × 11.20
b) Cost of soup = 6 × $1.95 = $11.70
c) Total expenditure = $11.20 + $11.70 = $22.90
Answer: Mrs. Lim spent $22.90 altogether.