The Maths Habit

Substitution

Expressions and formulae · Foundation and Higher · 4:21

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:15Do Now
  3. 0:54Substituting a number
  4. 1:22Negative numbers
  5. 1:47Example 1: a squared negative
  6. 2:19Example 2: a formula
  7. 2:52Your turn
  8. 3:21Common mistake
  9. 3:43Worksheet and exit question

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

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