Year 6 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Factors, Multiples & PrimesYear 6 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 3 — Answers
Part A: Factors
1.List all the factors of 29.
Answer: 1, 29
2.List all the factors of 13.
Answer: 1, 13
3.List all the factors of 19.
Answer: 1, 19
4.List all the factors of 12.
Answer: 1, 2, 3, 4, 6, 12
Part B: Multiples
5.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
6.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
7.Write the first five multiples of 10.
Answer: 10, 20, 30, 40, 50
8.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
Part C: Prime or not?
9.27 is a prime number.
Answer: False
27 = 3 × 9, so it is composite.
10.2 is a prime number.
Answer: True
2 has only two factors: 1 and 2.
11.21 is a prime number.
Answer: False
21 = 3 × 7, so it is composite.
12.16 is a prime number.
Answer: False
16 = 2 × 8, 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.