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.
1.202 = (answer space)
Answer: 400
- 20 × 20 = 400
2.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
3.110 is a square number.
Answer: False
102 = 100 and 112 = 121, so 110 is not a square number.
4.103 = (answer space)
Answer: 1000
- 10 × 10 × 10 = 1000
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.101 is a cube number.
Answer: False
101 is not a whole number cubed.
7.√259 lies between the whole numbers (answer space) and (answer space).
Answer: 16, 17
- 162 = 256 and 172 = 289
- 256 < 259 < 289
8.42 + 52 = (answer space)
Answer: 41
- 16 + 25 = 41
9.52 = (answer space)
Answer: 25
- 5 × 5 = 25
10.√361 = (answer space)
Answer: 19
- 19 × 19 = 361
11.36 is a square number.
Answer: True
6 × 6 = 36
12.13 = (answer space)
Answer: 1
- 1 × 1 × 1 = 1
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.