A simple guide on how to show the circumference of a circle is π x diameter aimed at children aged between 11 and 14 ...

This KS2 maths article explains how to measure the radius, circumference and diameter of a circle.

Every year, the celebration of Pi Day (March 14 is 3.14) grows more ambitious. Math teachers love to dream up unique classroom activities to celebrate Pi for it endless opportunity to calculate (3 ...

Your waist measurement can provide clues to your overall health. Learn how to measure waist circumference and what to do if you’re concerned.

Measuring neck circumference was more convenient and was more accurate than BMI at identifying children with weight problems, he said.