Year 8 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Factors, Multiples & PrimesYear 8 Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 2 — Answers
Part A: Factors
1.List all the factors of 29.
Answer: 1, 29
2.List all the factors of 33.
Answer: 1, 3, 11, 33
3.List all the factors of 16.
Answer: 1, 2, 4, 8, 16
4.List all the factors of 27.
Answer: 1, 3, 9, 27
Part B: Multiples
5.Write the first five multiples of 10.
Answer: 10, 20, 30, 40, 50
6.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
7.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
8.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
Part C: Prime or not?
9.16 is a prime number.
Answer: False
16 = 2 × 8, so it is composite.
10.14 is a prime number.
Answer: False
14 = 2 × 7, so it is composite.
11.3 is a prime number.
Answer: True
3 has only two factors: 1 and 3.
12.27 is a prime number.
Answer: False
27 = 3 × 9, 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.