7th Grade Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 7th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Factors, Multiples & Primes7th Grade Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 4 — Answers
Part A: Factors
1.List all the factors of 32.
Answer: 1, 2, 4, 8, 16, 32
2.List all the factors of 14.
Answer: 1, 2, 7, 14
3.List all the factors of 19.
Answer: 1, 19
4.List all the factors of 26.
Answer: 1, 2, 13, 26
Part B: Multiples
5.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
6.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
7.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
8.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
Part C: Prime or not?
9.30 is a prime number.
Answer: False
30 = 2 × 15, so it is composite.
10.17 is a prime number.
Answer: True
17 has only two factors: 1 and 17.
11.48 is a prime number.
Answer: False
48 = 2 × 24, so it is composite.
12.32 is a prime number.
Answer: False
32 = 2 × 16, 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.