4th Grade Factors, Multiples and Primes Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 4th Grade factors, multiples & primes worksheet.
4th Grade Factors, Multiples and Primes Worksheet — Level 1 — Answers
Part A: Factors
1.List all the factors of 12.
Answer: 1, 2, 3, 4, 6, 12
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 14.
Answer: 1, 2, 7, 14
Part B: Multiples
5.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
6.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
7.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
8.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
Part C: Prime or not?
9.36 is a prime number.
Answer: False
36 = 2 × 18, so it is composite.
10.17 is a prime number.
Answer: True
17 has only two factors: 1 and 17.
11.23 is a prime number.
Answer: True
23 has only two factors: 1 and 23.
12.29 is a prime number.
Answer: True
29 has only two factors: 1 and 29.
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.