Year 8 Square and Cube Numbers Worksheet — Level 3 — 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 — 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.√400 = (answer space)
Answer: 20
- 20 × 20 = 400
3.144 is a square number.
Answer: True
12 × 12 = 144
4.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.27 is a cube number.
Answer: True
3 × 3 × 3 = 27
7.√267 lies between the whole numbers (answer space) and (answer space).
Answer: 16, 17
- 162 = 256 and 172 = 289
- 256 < 267 < 289
8.22 + 72 = (answer space)
Answer: 53
- 4 + 49 = 53
9.132 = (answer space)
Answer: 169
- 13 × 13 = 169
10.√1 = (answer space)
Answer: 1
- 1 × 1 = 1
11.92 is a square number.
Answer: False
92 = 81 and 102 = 100, so 92 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.
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