Year 7 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Factors, Multiples & PrimesYear 7 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 3 — Answers
Part A: Factors
1.List all the factors of 32.
Answer: 1, 2, 4, 8, 16, 32
2.List all the factors of 22.
Answer: 1, 2, 11, 22
3.List all the factors of 36.
Answer: 1, 2, 3, 4, 6, 9, 12, 18, 36
4.List all the factors of 16.
Answer: 1, 2, 4, 8, 16
Part B: Multiples
5.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
6.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
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?
9.43 is a prime number.
Answer: True
43 has only two factors: 1 and 43.
10.16 is a prime number.
Answer: False
16 = 2 × 8, so it is composite.
11.42 is a prime number.
Answer: False
42 = 2 × 21, so it is composite.
12.41 is a prime number.
Answer: True
41 has only two factors: 1 and 41.
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.