Year 6 Square and Cube Numbers Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Factors, Multiples & PrimesYear 6 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.
1.122 = (answer space)
Answer: 144
- 12 × 12 = 144
2.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
3.99 is a square number.
Answer: False
92 = 81 and 102 = 100, so 99 is not a square number.
4.72 = (answer space)
Answer: 49
- 7 × 7 = 49
5.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
6.9 is a square number.
Answer: True
3 × 3 = 9
7.92 = (answer space)
Answer: 81
- 9 × 9 = 81
8.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
9.137 is a square number.
Answer: False
112 = 121 and 122 = 144, so 137 is not a square number.
10.62 = (answer space)
Answer: 36
- 6 × 6 = 36
11.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
12.27 is a square number.
Answer: False
52 = 25 and 62 = 36, so 27 is not a square number.
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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