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Primary 5 Mathematics Weighted Assessment 1 (Term 1) Paper 5
Free P5 Maths WA1 Paper 5, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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TuitionGoWhere P5 Maths WA1 2026 v5 - Answer Key
Section A: Multiple Choice (10 marks)
- (B) - 8 is in the ten thousands place, so its value is 80 thousands
- (A) - 2,967,435 rounds to 2,967,000 when rounded to the nearest thousand
- (A) - Using BODMAS: 3 × 6 - 4 + 2 = 18 - 4 + 2 = 16
- (D) - 5/7 is in its simplest form as 5 and 7 have no common factors
- (B) - 1/2 + 1/4 + 1/8 = 4/8 + 2/8 + 1/8 = 7/8
- (C) - 0.6 = 6/10 = 3/5 (simplest form)
- (C) - 0.35 × 1000 = 350
- (B) - 2.47 > 2.407
- (B) - 180° - 90° - 35° = 55°
- (C) - Area = length × width, so width = 72 ÷ 9 = 8 m
Section B: Short Answer (15 marks)
11. One million, six hundred and forty-nine thousand, eight hundred and twenty
12. 540 ÷ 10 × 100 = 54 × 100 = 5,400
13. a) 2 3/4 = 11/4 b) 1 5/8 = 13/8
14. a) 2/5 = 0.4 b) 9/20 = 0.45
15. 4/5 - _____ = 1/10 _____ = 4/5 - 1/10 _____ = 8/10 - 1/10 _____ = 7/10
16. Perimeter = 44 cm Side = 44 ÷ 4 = 11 cm Area = 11 × 11 = 121 cm²
Section C: Word Problems (15 marks)
17. Books initially = 8,456 Books bought = 2,789 Total books = 8,456 + 2,789 = 11,245
Answer: There are 11,245 books in the library now.
18. Toy = 3/5 of pocket money Snacks = 1/4 of pocket money Total used = 3/5 + 1/4 = 12/20 + 5/20 = 17/20
Answer: Rajesh used 17/20 of his pocket money altogether.
19. a) Chocolate muffins = 48 × 86.40
b) Vanilla cupcakes = 36 × $2.40 = $86.40
c) Total amount = $86.40 + $86.40 = $172.80
Answer: The bakery collected $172.80 in total.