Year 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Factors, Multiples & PrimesYear 7 Square and Cube Numbers Worksheet — Level 3 — Practice Set 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.192 = (answer space)
Answer: 361
- 19 × 19 = 361
2.√25 = (answer space)
Answer: 5
- 5 × 5 = 25
3.6 is a square number.
Answer: False
22 = 4 and 32 = 9, so 6 is not a square number.
4.43 = (answer space)
Answer: 64
- 4 × 4 × 4 = 64
5.The cube root of 64 is (answer space).
Answer: 4
- 4 × 4 × 4 = 64
6.343 is a cube number.
Answer: True
7 × 7 × 7 = 343
7.√113 lies between the whole numbers (answer space) and (answer space).
Answer: 10, 11
- 102 = 100 and 112 = 121
- 100 < 113 < 121
8.42 + 122 = (answer space)
Answer: 160
- 16 + 144 = 160
9.142 = (answer space)
Answer: 196
- 14 × 14 = 196
10.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
11.27 is a square number.
Answer: False
52 = 25 and 62 = 36, so 27 is not a square number.
12.73 = (answer space)
Answer: 343
- 7 × 7 × 7 = 343
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.