Year 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Year 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 4 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.42 = (answer space)
Answer: 16
- 4 × 4 = 16
2.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
3.144 is a square number.
Answer: True
12 × 12 = 144
4.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
5.The cube root of 729 is (answer space).
Answer: 9
- 9 × 9 × 9 = 729
6.8 is a cube number.
Answer: True
2 × 2 × 2 = 8
7.√40 lies between the whole numbers (answer space) and (answer space).
Answer: 6, 7
- 62 = 36 and 72 = 49
- 36 < 40 < 49
8.72 + 42 = (answer space)
Answer: 65
- 49 + 16 = 65
9.82 = (answer space)
Answer: 64
- 8 × 8 = 64
10.√169 = (answer space)
Answer: 13
- 13 × 13 = 169
11.110 is a square number.
Answer: False
102 = 100 and 112 = 121, so 110 is not a square number.
12.33 = (answer space)
Answer: 27
- 3 × 3 × 3 = 27
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.