Year 7 Square and Cube Numbers Worksheet — Level 3 — 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 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.82 = (answer space)
Answer: 64
- 8 × 8 = 64
2.√361 = (answer space)
Answer: 19
- 19 × 19 = 361
3.16 is a square number.
Answer: True
4 × 4 = 16
4.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.216 is a cube number.
Answer: True
6 × 6 × 6 = 216
7.√213 lies between the whole numbers (answer space) and (answer space).
Answer: 14, 15
- 142 = 196 and 152 = 225
- 196 < 213 < 225
8.82 + 122 = (answer space)
Answer: 208
- 64 + 144 = 208
9.202 = (answer space)
Answer: 400
- 20 × 20 = 400
10.√169 = (answer space)
Answer: 13
- 13 × 13 = 169
11.121 is a square number.
Answer: True
11 × 11 = 121
12.83 = (answer space)
Answer: 512
- 8 × 8 × 8 = 512
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.