Year 8 Square and Cube Numbers Worksheet — Level 1 — Practice Set 2 — 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 2 — 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.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
3.100 is a square number.
Answer: True
10 × 10 = 100
4.72 = (answer space)
Answer: 49
- 7 × 7 = 49
5.√121 = (answer space)
Answer: 11
- 11 × 11 = 121
6.54 is a square number.
Answer: False
72 = 49 and 82 = 64, so 54 is not a square number.
7.22 = (answer space)
Answer: 4
- 2 × 2 = 4
8.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
9.81 is a square number.
Answer: True
9 × 9 = 81
10.12 = (answer space)
Answer: 1
- 1 × 1 = 1
11.√1 = (answer space)
Answer: 1
- 1 × 1 = 1
12.99 is a square number.
Answer: False
92 = 81 and 102 = 100, so 99 is not a square number.
Marking tips
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