Using circumference and length
Mathematics · Grade 7 · about 40 minutes
Apply C = πd and C = 2πr to a bicycle wheel, a flower bed and a track, and choose sensible units for real jobs.
Sign in to read this lesson
Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.
- 9 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Units of length
- Converting units of length
- Operations with lengths
- Perimeter of plane figures
- Circumference and Pi
- Using circumference and length