Year 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 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 — Practice Set 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.62 = (answer space)
Answer: 36
- 6 × 6 = 36
2.√144 = (answer space)
Answer: 12
- 12 × 12 = 144
3.11 is a square number.
Answer: False
32 = 9 and 42 = 16, so 11 is not a square number.
4.93 = (answer space)
Answer: 729
- 9 × 9 × 9 = 729
5.The cube root of 216 is (answer space).
Answer: 6
- 6 × 6 × 6 = 216
6.109 is a cube number.
Answer: False
109 is not a whole number cubed.
7.√340 lies between the whole numbers (answer space) and (answer space).
Answer: 18, 19
- 182 = 324 and 192 = 361
- 324 < 340 < 361
8.62 + 52 = (answer space)
Answer: 61
- 36 + 25 = 61
9.52 = (answer space)
Answer: 25
- 5 × 5 = 25
10.√81 = (answer space)
Answer: 9
- 9 × 9 = 81
11.4 is a square number.
Answer: True
2 × 2 = 4
12.73 = (answer space)
Answer: 343
- 7 × 7 × 7 = 343
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.