Olibits / Math / Whole Numbers
Primary 5 Math: Whole Numbers Practice
Real Primary 5 Math questions on Whole Numbers, pulled directly from the Olibits question bank — the same questions a child would actually see, not separately written for this page.
MOE strand: Number and Algebra
Curriculum alignment
Mathematics Syllabus, Primary One to Six (MOE, 2021 syllabus)
Taught across P1–P6.
Olibits is an independent learning platform and is not affiliated with or endorsed by the Ministry of Education. See our FAQ for the full breakdown.
Real Whole Numbers practice questions
A gardener wants to plant 36 seedlings in equal rows. Which of these row sizes would work with none left over?
7
5
9 ✓
10
36 ÷ 9 = 4 exactly, so 9 is a factor of 36. The other numbers do not divide 36 exactly.
A vending machine dispenses items in packs of 7. Which of these totals could be exactly filled using whole packs of 7?
28 ✓
30
33
25
7 × 4 = 28, so 28 is a multiple of 7. The other numbers are not in the 7 times table.
A teacher wants to split 81 pencils into equal groups of 9. Is this possible with no pencils left over?
Yes ✓
No
81 ÷ 9 = 9 exactly, with no remainder, so 9 is a factor of 81.
A choir wants to arrange its singers into equal rows of 9. Which of these choir sizes would divide evenly?
64
75
54 ✓
42
54 ÷ 9 = 6 exactly, so 54 is a multiple of 9. The others do not divide evenly by 9.