Year 5 Square and Cube Numbers Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 5 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · Factors, Multiples & PrimesYear 5 Square and Cube Numbers Worksheet — Level 2 — 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.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
3.144 is a square number.
Answer: True
12 × 12 = 144
4.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
5.The cube root of 1 is (answer space).
Answer: 1
- 1 × 1 × 1 = 1
6.8 is a cube number.
Answer: True
2 × 2 × 2 = 8
7.102 = (answer space)
Answer: 100
- 10 × 10 = 100
8.√16 = (answer space)
Answer: 4
- 4 × 4 = 16
9.71 is a square number.
Answer: False
82 = 64 and 92 = 81, so 71 is not a square number.
10.33 = (answer space)
Answer: 27
- 3 × 3 × 3 = 27
11.The cube root of 125 is (answer space).
Answer: 5
- 5 × 5 × 5 = 125
12.47 is a cube number.
Answer: False
47 is not a whole number cubed.
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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