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Primary 4 Mathematics Whole Numbers Quiz
Free P4 Maths Whole Numbers quiz, Ox Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
Primary 4 Mathematics Quiz — Whole Numbers (Answer Key)
Section A: Multiple Choice
Answer 1.
(c) 7,000 — the 7 is in the thousands place.
Answer 2.
(b) 46,509 — 36,509 + 10,000 = 46,509.
Answer 3.
(a) 58,000 — the hundreds digit is 2, so round down.
Answer 4.
(c) 44,999 — compare ten-thousands first: 44,999 < 45,099 < 45,909 < 45,990.
Answer 5.
(b) 1,000 — 25 × 4 = 100, then × 10 = 1,000.
Answer 6.
(a) 700 — 63 ÷ 9 = 7, so 6,300 ÷ 9 = 700.
Answer 7.
(b) 4 and 6 — 4 × 6 = 24, so both are factors of 24.
Answer 8.
(c) 24 — 24 ÷ 4 = 6 and 24 ÷ 6 = 4.
Section B: Short Answer
Answer 9.
Eighty thousand, three hundred and five.
Answer 10.
56,040
Answer 11.
20,000; 22,500 (the pattern increases by 2,500).
Answer 12.
74,900 — the tens digit is 5, so round up.
Answer 13.
Largest: 7,520; Smallest: 2,057; Sum: 7,520 + 2,057 = 9,577.
Answer 14.
48 ÷ 6 + 5 × 3 = 8 + 15 = 23 (division and multiplication before addition).
Answer 15.
1, 2, 3, 4, 6, 9, 12, 18, 36.
Answer 16.
24 and 48 (multiples of 3: 3, 6, 9, …, 24…; multiples of 8: 8, 16, 24, 32, 40, 48…).
Section C: Word Problems
Answer 17.
Number of bags = 8,750 ÷ 25 = 350 bags
Answer 18.
Total spent = 385 = 5,000 − 3,316**
Answer 19.
Total books = 24 × 145 = 3,480 Books left = 3,480 − 380 = 3,100 books
Answer 20.
Total = 2,450 + 3,180 + 2,795 + 3,075 = 11,500 Rounded to the nearest hundred = 11,500 visitors
Marking notes:
- Section C: award 1 mark for correct method, 1 mark for accurate working, 2 marks for the correct answer with units.
- Accept equivalent valid methods throughout.