Grade 8 · Math
Find a perfect cube root practice
Connect a perfect cube with its whole-number cube root.
Opening your practice adventure…
Try a sample
What is the cube root of 729?
- 11
- 10
- 8
- 9
See the answer & why
9
9 × 9 × 9 = 729, so the cube root is 9.
A little hint: A cube root asks which number used as three equal factors gives the value.
A teaching tip
Use known cubes or check a proposed root by multiplying it three times.