← All lessons

Power rule

Grade 12

What this lesson shows

The derivative measures how fast a function climbs. For powers of x there's a rule so clean it feels like a magic trick… and it's two moves long.

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

  1. d/dx x²⁴
    Show answer
    24x²³
  2. Which function has derivative 6x⁵?
    Show answer
    x⁶
  3. d/dx x³
    Show answer
    3x²
  4. True or false: d/dx x³ = 3x³
    Show answer
    False

Practise this every day

Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.

Start free