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.
1.92 = (answer space)
Answer: 81
- 9 × 9 = 81
2.√225 = (answer space)
Answer: 15
- 15 × 15 = 225
3.103 is a square number.
Answer: False
102 = 100 and 112 = 121, so 103 is not a square number.
4.13 = (answer space)
Answer: 1
- 1 × 1 × 1 = 1
5.The cube root of 8 is (answer space).
Answer: 2
- 2 × 2 × 2 = 8
6.216 is a cube number.
Answer: True
6 × 6 × 6 = 216
7.32 = (answer space)
Answer: 9
- 3 × 3 = 9
8.√100 = (answer space)
Answer: 10
- 10 × 10 = 100
9.100 is a square number.
Answer: True
10 × 10 = 100
10.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
11.The cube root of 216 is (answer space).
Answer: 6
- 6 × 6 × 6 = 216
12.27 is a cube number.
Answer: True
3 × 3 × 3 = 27
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.