Pi Day / Discovering Pi
Discovering Pi
Children measure round objects with string and rulers to discover the special number pi. Maths that feels like a detective challenge.
How to run it
- Gather round objects of different sizes.
- Wrap string around each to measure the circumference.
- Measure the diameter across the middle.
- Divide circumference by diameter and compare answers.
You will need
- string
- rulers
- round objects
- calculators
- record sheets
Make it easier or harderYounger children can compare sizes; older children can calculate averages.
My Time Our Place · Outcome 4Children investigate patterns and test ideas, building confidence in maths.
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