Year 6 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Year 6 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 2 — Answers
Part A: Factors
1.List all the factors of 21.
Answer: 1, 3, 7, 21
2.List all the factors of 31.
Answer: 1, 31
3.List all the factors of 34.
Answer: 1, 2, 17, 34
4.List all the factors of 22.
Answer: 1, 2, 11, 22
Part B: Multiples
5.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
6.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
7.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
8.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
Part C: Prime or not?
9.48 is a prime number.
Answer: False
48 = 2 × 24, so it is composite.
10.16 is a prime number.
Answer: False
16 = 2 × 8, so it is composite.
11.30 is a prime number.
Answer: False
30 = 2 × 15, so it is composite.
12.43 is a prime number.
Answer: True
43 has only two factors: 1 and 43.
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.