The Maths Habit

Circumference and area of a circle

Perimeter and area · Foundation · 5:43

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:20Do Now
  3. 1:09Circumference: C = πd
  4. 1:46Area: A = πr²
  5. 2:19Example 1: radius given, to 1 decimal place
  6. 3:10Example 2: diameter given, in terms of π
  7. 3:48Your turn
  8. 4:21Common mistake
  9. 4:55Worksheet and exit question

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