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Primary 5 Mathematics Weighted Assessment 1 (Term 1) Paper 4
Free P5 Maths WA1 Paper 4, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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TuitionGoWhere P5 Maths WA1 2026 v4 - Answer Key
Section A: Multiple Choice (10 marks)
- (B) - 9 is in the ten thousands place, so its value is 90 thousands
- (A) - 6,534,789 rounds to 6,530,000 when rounded to the nearest ten thousand
- (B) - Using BODMAS: 12 ÷ 3 × 2 + 5 = 4 × 2 + 5 = 8 + 5 = 13
- (D) - 6/15 = 2/5, which is not equivalent to 1/2
- (B) - 5/6 - 1/3 = 5/6 - 2/6 = 3/6 = 1/2
- (B) - 7/10 = 0.7
- (A) - 45.6 ÷ 10 = 4.56
- (A) - 0.789 < 0.798 < 0.879 < 0.897
- (B) - 180° - 55° - 70° = 55°
- (B) - Area = side², so side = √64 = 8 cm
Section B: Short Answer (15 marks)
11. Four million, eight hundred and two thousand, three hundred and sixty-five
12. 7,200 × 10 ÷ 100 = 72,000 ÷ 100 = 720
13. a) 16/24 = 2/3 (divide by 8) b) 18/30 = 3/5 (divide by 6)
14. a) 11/4 = 2 3/4 b) 17/5 = 3 2/5
15. 3/4 - _____ = 1/8 _____ = 3/4 - 1/8 _____ = 6/8 - 1/8 _____ = 5/8
16. Perimeter = 2 × (length + width) = 2 × (13 + 7) = 2 × 20 = 40 cm
Section C: Word Problems (15 marks)
17. Priya's bottle caps = 4,726 Siti collected 1,849 fewer than Priya Siti's bottle caps = 4,726 - 1,849 = 2,877
Answer: Siti collected 2,877 bottle caps.
18. Kelvin ate = 3/8 Sister ate = 1/4 = 2/8 Total eaten = 3/8 + 2/8 = 5/8 Left = 1 - 5/8 = 3/8
Answer: 3/8 of the chocolate bar was left.
19. a) Cost of rice = 5 × 18.00
b) Cost of oil = 8 × $4.25 = $34.00
c) Difference = $34.00 - $18.00 = $16.00
Answer: Mr. Chen spent $16.00 more on oil than on rice.