Year 5 Square and Cube Numbers Worksheet — Level 2 — Practice Set 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 — Practice Set 2 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.72 = (answer space)
Answer: 49
- 7 × 7 = 49
2.√144 = (answer space)
Answer: 12
- 12 × 12 = 144
3.92 is a square number.
Answer: False
92 = 81 and 102 = 100, so 92 is not a square number.
4.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
5.The cube root of 125 is (answer space).
Answer: 5
- 5 × 5 × 5 = 125
6.64 is a cube number.
Answer: True
4 × 4 × 4 = 64
7.22 = (answer space)
Answer: 4
- 2 × 2 = 4
8.√225 = (answer space)
Answer: 15
- 15 × 15 = 225
9.144 is a square number.
Answer: True
12 × 12 = 144
10.33 = (answer space)
Answer: 27
- 3 × 3 × 3 = 27
11.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
12.37 is a cube number.
Answer: False
37 is not a whole number cubed.
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.