Year 8 Square and Cube Numbers Worksheet — Level 1 — Practice Set 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 1 — Practice Set 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.92 = (answer space)
Answer: 81
- 9 × 9 = 81
2.√144 = (answer space)
Answer: 12
- 12 × 12 = 144
3.16 is a square number.
Answer: True
4 × 4 = 16
4.32 = (answer space)
Answer: 9
- 3 × 3 = 9
5.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
6.134 is a square number.
Answer: False
112 = 121 and 122 = 144, so 134 is not a square number.
7.22 = (answer space)
Answer: 4
- 2 × 2 = 4
8.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
9.106 is a square number.
Answer: False
102 = 100 and 112 = 121, so 106 is not a square number.
10.102 = (answer space)
Answer: 100
- 10 × 10 = 100
11.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
12.70 is a square number.
Answer: False
82 = 64 and 92 = 81, so 70 is not a square number.
Marking tips
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- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
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