Year 7 Square and Cube Numbers Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Year 7 Square and Cube Numbers Worksheet — Level 1 — Practice Set 2 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.12 = (answer space)
Answer: 1
- 1 × 1 = 1
2.√121 = (answer space)
Answer: 11
- 11 × 11 = 121
3.107 is a square number.
Answer: False
102 = 100 and 112 = 121, so 107 is not a square number.
4.52 = (answer space)
Answer: 25
- 5 × 5 = 25
5.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
6.30 is a square number.
Answer: False
52 = 25 and 62 = 36, so 30 is not a square number.
7.102 = (answer space)
Answer: 100
- 10 × 10 = 100
8.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
9.108 is a square number.
Answer: False
102 = 100 and 112 = 121, so 108 is not a square number.
10.42 = (answer space)
Answer: 16
- 4 × 4 = 16
11.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
12.50 is a square number.
Answer: False
72 = 49 and 82 = 64, so 50 is not a square number.
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.