7th Grade Square and Cube Numbers Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 7th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Factors, Multiples & Primes7th Grade 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.
1.102 = (answer space)
Answer: 100
- 10 × 10 = 100
2.√9 = (answer space)
Answer: 3
- 3 × 3 = 9
3.19 is a square number.
Answer: False
42 = 16 and 52 = 25, so 19 is not a square number.
4.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
5.The cube root of 729 is (answer space).
Answer: 9
- 9 × 9 × 9 = 729
6.1000 is a cube number.
Answer: True
10 × 10 × 10 = 1000
7.√158 lies between the whole numbers (answer space) and (answer space).
Answer: 12, 13
- 122 = 144 and 132 = 169
- 144 < 158 < 169
8.122 + 22 = (answer space)
Answer: 148
- 144 + 4 = 148
9.32 = (answer space)
Answer: 9
- 3 × 3 = 9
10.√49 = (answer space)
Answer: 7
- 7 × 7 = 49
11.54 is a square number.
Answer: False
72 = 49 and 82 = 64, so 54 is not a square number.
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.