Year 6 Factors, Multiples and Primes Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Year 6 Factors, Multiples and Primes Worksheet — Level 1 — Answers
Part A: Factors
1.List all the factors of 33.
Answer: 1, 3, 11, 33
2.List all the factors of 27.
Answer: 1, 3, 9, 27
3.List all the factors of 16.
Answer: 1, 2, 4, 8, 16
4.List all the factors of 30.
Answer: 1, 2, 3, 5, 6, 10, 15, 30
Part B: Multiples
5.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
6.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
7.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
8.Write the first five multiples of 10.
Answer: 10, 20, 30, 40, 50
Part C: Prime or not?
9.13 is a prime number.
Answer: True
13 has only two factors: 1 and 13.
10.45 is a prime number.
Answer: False
45 = 3 × 15, so it is composite.
11.11 is a prime number.
Answer: True
11 has only two factors: 1 and 11.
12.10 is a prime number.
Answer: False
10 = 2 × 5, so it is composite.
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.