This key facts covers Understanding Powers and Roots within Powers & Roots for GCSE Mathematics. Revise Powers & Roots in Number for GCSE Mathematics with 15 exam-style questions and 22 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 13 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 13
Practice
15 questions
Recall
22 flashcards
Understanding Powers and Roots
- Power/Index: Shows how many times to multiply: 2⁴ = 2 × 2 × 2 × 2 = 16
- Base: The number being multiplied: in 5³, the base is 5
- Square: Power of 2 (area of a square)
- Cube: Power of 3 (volume of a cube)
- Square root: What number squared gives this? √25 = 5
- Cube root: What number cubed gives this? ∛8 = 2