Year 6 Square and Cube Numbers Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Factors, Multiples & PrimesYear 6 Square and Cube Numbers Worksheet — Level 3 — Practice Set 4 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.102 = (answer space)
Answer: 100
- 10 × 10 = 100
2.√16 = (answer space)
Answer: 4
- 4 × 4 = 16
3.82 is a square number.
Answer: False
92 = 81 and 102 = 100, so 82 is not a square number.
4.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
5.The cube root of 343 is (answer space).
Answer: 7
- 7 × 7 × 7 = 343
6.64 is a cube number.
Answer: True
4 × 4 × 4 = 64
7.√279 lies between the whole numbers (answer space) and (answer space).
Answer: 16, 17
- 162 = 256 and 172 = 289
- 256 < 279 < 289
8.52 + 22 = (answer space)
Answer: 29
- 25 + 4 = 29
9.32 = (answer space)
Answer: 9
- 3 × 3 = 9
10.√64 = (answer space)
Answer: 8
- 8 × 8 = 64
11.64 is a square number.
Answer: True
8 × 8 = 64
12.93 = (answer space)
Answer: 729
- 9 × 9 × 9 = 729
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.