Finding the Cube Root of 27
22 October 2026
Cube roots can seem tricky at first, but with a simple question and clear steps, your child can quickly understand what they mean. The key is to look for a number that, when multiplied by itself three times, gives the number in the question.
Worked example
Find the cube root of 27.
Step 1: A cube root asks, what number times itself three times makes 27?
Step 2: Try 2. 2 × 2 × 2 = 8. That is too small.
Step 3: Try 3. 3 × 3 × 3 = 27. That is just right.
The correct answer is 3.
Key insight: Once your child sees how to break down a cube root, they will spot similar questions more easily. There are more practice questions just like this one to help your child build confidence with cube roots.
