Year 6 Square and Cube Numbers Worksheet — Level 3 — 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 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.52 = (answer space)
Answer: 25
- 5 × 5 = 25
2.√169 = (answer space)
Answer: 13
- 13 × 13 = 169
3.28 is a square number.
Answer: False
52 = 25 and 62 = 36, so 28 is not a square number.
4.103 = (answer space)
Answer: 1000
- 10 × 10 × 10 = 1000
5.The cube root of 729 is (answer space).
Answer: 9
- 9 × 9 × 9 = 729
6.90 is a cube number.
Answer: False
90 is not a whole number cubed.
7.√145 lies between the whole numbers (answer space) and (answer space).
Answer: 12, 13
- 122 = 144 and 132 = 169
- 144 < 145 < 169
8.92 + 112 = (answer space)
Answer: 202
- 81 + 121 = 202
9.92 = (answer space)
Answer: 81
- 9 × 9 = 81
10.√4 = (answer space)
Answer: 2
- 2 × 2 = 4
11.122 is a square number.
Answer: False
112 = 121 and 122 = 144, so 122 is not a square number.
12.83 = (answer space)
Answer: 512
- 8 × 8 × 8 = 512
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.