Year 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Factors, Multiples & PrimesYear 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 2 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.72 = (answer space)
Answer: 49
- 7 × 7 = 49
2.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
3.17 is a square number.
Answer: False
42 = 16 and 52 = 25, so 17 is not a square number.
4.93 = (answer space)
Answer: 729
- 9 × 9 × 9 = 729
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.729 is a cube number.
Answer: True
9 × 9 × 9 = 729
7.√125 lies between the whole numbers (answer space) and (answer space).
Answer: 11, 12
- 112 = 121 and 122 = 144
- 121 < 125 < 144
8.92 + 42 = (answer space)
Answer: 97
- 81 + 16 = 97
9.32 = (answer space)
Answer: 9
- 3 × 3 = 9
10.√1 = (answer space)
Answer: 1
- 1 × 1 = 1
11.10 is a square number.
Answer: False
32 = 9 and 42 = 16, so 10 is not a square number.
12.13 = (answer space)
Answer: 1
- 1 × 1 × 1 = 1
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.