Year 8 Square and Cube Numbers Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 8 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Factors, Multiples & PrimesYear 8 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.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
3.36 is a square number.
Answer: True
6 × 6 = 36
4.83 = (answer space)
Answer: 512
- 8 × 8 × 8 = 512
5.The cube root of 512 is (answer space).
Answer: 8
- 8 × 8 × 8 = 512
6.1000 is a cube number.
Answer: True
10 × 10 × 10 = 1000
7.√122 lies between the whole numbers (answer space) and (answer space).
Answer: 11, 12
- 112 = 121 and 122 = 144
- 121 < 122 < 144
8.52 + 112 = (answer space)
Answer: 146
- 25 + 121 = 146
9.152 = (answer space)
Answer: 225
- 15 × 15 = 225
10.√400 = (answer space)
Answer: 20
- 20 × 20 = 400
11.132 is a square number.
Answer: False
112 = 121 and 122 = 144, so 132 is not a square number.
12.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
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.