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.
1.142 = (answer space)
Answer: 196
- 14 × 14 = 196
2.√121 = (answer space)
Answer: 11
- 11 × 11 = 121
3.122 is a square number.
Answer: False
112 = 121 and 122 = 144, so 122 is not a square number.
4.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
5.The cube root of 8 is (answer space).
Answer: 2
- 2 × 2 × 2 = 8
6.7 is a cube number.
Answer: False
7 is not a whole number cubed.
7.√34 lies between the whole numbers (answer space) and (answer space).
Answer: 5, 6
- 52 = 25 and 62 = 36
- 25 < 34 < 36
8.112 + 22 = (answer space)
Answer: 125
- 121 + 4 = 125
9.102 = (answer space)
Answer: 100
- 10 × 10 = 100
10.√289 = (answer space)
Answer: 17
- 17 × 17 = 289
11.121 is a square number.
Answer: True
11 × 11 = 121
12.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
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.