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.
1.62 = (answer space)
Answer: 36
- 6 × 6 = 36
2.√16 = (answer space)
Answer: 4
- 4 × 4 = 16
3.94 is a square number.
Answer: False
92 = 81 and 102 = 100, so 94 is not a square number.
4.63 = (answer space)
Answer: 216
- 6 × 6 × 6 = 216
5.The cube root of 1 is (answer space).
Answer: 1
- 1 × 1 × 1 = 1
6.15 is a cube number.
Answer: False
15 is not a whole number cubed.
7.92 = (answer space)
Answer: 81
- 9 × 9 = 81
8.√121 = (answer space)
Answer: 11
- 11 × 11 = 121
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 125 is (answer space).
Answer: 5
- 5 × 5 × 5 = 125
12.8 is a cube number.
Answer: True
2 × 2 × 2 = 8
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.