Year 5 Square and Cube Numbers Worksheet — Level 2 — Practice Set 3 — 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 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.√64 = (answer space)
Answer: 8
- 8 × 8 = 64
3.100 is a square number.
Answer: True
10 × 10 = 100
4.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
5.The cube root of 8 is (answer space).
Answer: 2
- 2 × 2 × 2 = 8
6.89 is a cube number.
Answer: False
89 is not a whole number cubed.
7.132 = (answer space)
Answer: 169
- 13 × 13 = 169
8.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
9.49 is a square number.
Answer: True
7 × 7 = 49
10.13 = (answer space)
Answer: 1
- 1 × 1 × 1 = 1
11.The cube root of 27 is (answer space).
Answer: 3
- 3 × 3 × 3 = 27
12.64 is a cube number.
Answer: True
4 × 4 × 4 = 64
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.