6th Grade Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 6th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet6th Grade · Mathematics · Factors, Multiples & Primes6th Grade Factors, Multiples and Primes Worksheet — Level 1 — Practice Set 3 — Answers
Part A: Factors
1.List all the factors of 18.
Answer: 1, 2, 3, 6, 9, 18
2.List all the factors of 26.
Answer: 1, 2, 13, 26
3.List all the factors of 14.
Answer: 1, 2, 7, 14
4.List all the factors of 16.
Answer: 1, 2, 4, 8, 16
Part B: Multiples
5.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
6.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
7.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
8.Write the first five multiples of 10.
Answer: 10, 20, 30, 40, 50
Part C: Prime or not?
9.23 is a prime number.
Answer: True
23 has only two factors: 1 and 23.
10.45 is a prime number.
Answer: False
45 = 3 × 15, so it is composite.
11.50 is a prime number.
Answer: False
50 = 2 × 25, so it is composite.
12.40 is a prime number.
Answer: False
40 = 2 × 20, 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.