5th Grade Square and Cube Numbers Worksheet — Level 2 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 5th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Factors, Multiples & Primes5th Grade Square and Cube Numbers Worksheet — Level 2 — Practice Set 3 — Answers
A square number is a number times itself; a cube number is a number times itself three times.
1.112 = (answer space)
Answer: 121
- 11 × 11 = 121
2.√225 = (answer space)
Answer: 15
- 15 × 15 = 225
3.102 is a square number.
Answer: False
102 = 100 and 112 = 121, so 102 is not a square number.
4.23 = (answer space)
Answer: 8
- 2 × 2 × 2 = 8
5.The cube root of 27 is (answer space).
Answer: 3
- 3 × 3 × 3 = 27
6.27 is a cube number.
Answer: True
3 × 3 × 3 = 27
7.152 = (answer space)
Answer: 225
- 15 × 15 = 225
8.√144 = (answer space)
Answer: 12
- 12 × 12 = 144
9.144 is a square number.
Answer: True
12 × 12 = 144
10.53 = (answer space)
Answer: 125
- 5 × 5 × 5 = 125
11.The cube root of 216 is (answer space).
Answer: 6
- 6 × 6 × 6 = 216
12.64 is a cube number.
Answer: True
4 × 4 × 4 = 64
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.