The Maths Habit

Equation or identity?

Expressions and formulae · Foundation and Higher · 5:29

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:19Do Now
  3. 1:00Expression, equation, formula or identity
  4. 1:38Testing with a table
  5. 2:19Example 1: show an identity
  6. 2:52Example 2: a squared bracket
  7. 3:30Your turn
  8. 4:08Common mistake
  9. 4:38Worksheet and exit question

Practise equations and identities for 15 minutes a day in The Maths Habit, on your phone or in your browser.

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