Year 5 Square and Cube Numbers Worksheet — Level 2 — Practice Set 4 — 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 — Practice Set 4 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.132 = (answer space)
Answer: 169
- 13 × 13 = 169
2.√81 = (answer space)
Answer: 9
- 9 × 9 = 81
3.71 is a square number.
Answer: False
82 = 64 and 92 = 81, so 71 is not a square number.
4.33 = (answer space)
Answer: 27
- 3 × 3 × 3 = 27
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.106 is a cube number.
Answer: False
106 is not a whole number cubed.
7.62 = (answer space)
Answer: 36
- 6 × 6 = 36
8.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
9.9 is a square number.
Answer: True
3 × 3 = 9
10.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
11.The cube root of 8 is (answer space).
Answer: 2
- 2 × 2 × 2 = 8
12.216 is a cube number.
Answer: True
6 × 6 × 6 = 216
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.
- Celebrate what went well first, then pick one thing to work on next.