Learn about and revise approximation using a range of rounding and estimation techniques with this BBC Bitesize GCSE Maths Eduqas study guide.

What is Pi Approximation Day? Pi is a special unit in mathematics. Presenting the relationship between a circle's circumference and diameter, the ratio of the two is stated as a constant pi.

This chapter explores the tensions and compromises resulting from what seem to be different conceptions of what mathematics is and of what mathematics children should learn in school. Our work in a ...

Pi Approximation Day 2023: From history to significance, here are a few things to know about the day.