Pass maths · Core number skills

Powers and roots

Learn the method, then complete five focused questions.

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LZ Method

A power means repeated multiplication. A square root reverses squaring; a cube root reverses cubing. √ means the non-negative square root.

  1. 14³ = 4 × 4 × 4 = 64
  2. 2√49 = 7 because 7 × 7 = 49