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.
1.102 = (answer space)
Answer: 100
- 10 × 10 = 100
2.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
3.49 is a square number.
Answer: True
7 × 7 = 49
4.63 = (answer space)
Answer: 216
- 6 × 6 × 6 = 216
5.The cube root of 1000 is (answer space).
Answer: 10
- 10 × 10 × 10 = 1000
6.512 is a cube number.
Answer: True
8 × 8 × 8 = 512
7.√54 lies between the whole numbers (answer space) and (answer space).
Answer: 7, 8
- 72 = 49 and 82 = 64
- 49 < 54 < 64
8.22 + 62 = (answer space)
Answer: 40
- 4 + 36 = 40
9.202 = (answer space)
Answer: 400
- 20 × 20 = 400
10.√144 = (answer space)
Answer: 12
- 12 × 12 = 144
11.42 is a square number.
Answer: False
62 = 36 and 72 = 49, so 42 is not a square number.
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.