Year 6 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 4 — 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 4 — Answers
Part A: Factors
1.List all the factors of 23.
Answer: 1, 23
2.List all the factors of 21.
Answer: 1, 3, 7, 21
3.List all the factors of 26.
Answer: 1, 2, 13, 26
4.List all the factors of 28.
Answer: 1, 2, 4, 7, 14, 28
Part B: Multiples
5.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
6.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
7.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
8.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
Part C: Prime or not?
9.17 is a prime number.
Answer: True
17 has only two factors: 1 and 17.
10.2 is a prime number.
Answer: True
2 has only two factors: 1 and 2.
11.6 is a prime number.
Answer: False
6 = 2 × 3, 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.