7th Grade Square and Cube Numbers Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 7th Grade factors, multiples & primes worksheet.
7th Grade Square and Cube Numbers Worksheet — Level 2 — Practice Set 2 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.112 = (answer space)
Answer: 121
- 11 × 11 = 121
2.√121 = (answer space)
Answer: 11
- 11 × 11 = 121
3.51 is a square number.
Answer: False
72 = 49 and 82 = 64, so 51 is not a square number.
4.63 = (answer space)
Answer: 216
- 6 × 6 × 6 = 216
5.The cube root of 125 is (answer space).
Answer: 5
- 5 × 5 × 5 = 125
6.125 is a cube number.
Answer: True
5 × 5 × 5 = 125
7.92 = (answer space)
Answer: 81
- 9 × 9 = 81
8.√36 = (answer space)
Answer: 6
- 6 × 6 = 36
9.101 is a square number.
Answer: False
102 = 100 and 112 = 121, so 101 is not a square number.
10.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
11.The cube root of 8 is (answer space).
Answer: 2
- 2 × 2 × 2 = 8
12.27 is a cube number.
Answer: True
3 × 3 × 3 = 27
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.