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.
1.152 = (answer space)
Answer: 225
- 15 × 15 = 225
2.√121 = (answer space)
Answer: 11
- 11 × 11 = 121
3.48 is a square number.
Answer: False
62 = 36 and 72 = 49, so 48 is not a square number.
4.63 = (answer space)
Answer: 216
- 6 × 6 × 6 = 216
5.The cube root of 216 is (answer space).
Answer: 6
- 6 × 6 × 6 = 216
6.122 is a cube number.
Answer: False
122 is not a whole number cubed.
7.√362 lies between the whole numbers (answer space) and (answer space).
Answer: 19, 20
- 192 = 361 and 202 = 400
- 361 < 362 < 400
8.82 + 22 = (answer space)
Answer: 68
- 64 + 4 = 68
9.132 = (answer space)
Answer: 169
- 13 × 13 = 169
10.√361 = (answer space)
Answer: 19
- 19 × 19 = 361
11.16 is a square number.
Answer: True
4 × 4 = 16
12.93 = (answer space)
Answer: 729
- 9 × 9 × 9 = 729
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.