COMS Tutorial Corner

Tag Archive for Gr 4-6

π Ideas (1) a Fun Way of Finding the π Value

This describes a fun way to find the π value.

It does not use any area calculation. Not even directly apply the Pythagorean Theorem. Basically it uses the radius as a unit to measure the circumference along the circle. But how can you measure a curve using a line segment, without getting into tech difficulties? There’s simple yet smart solutions. Read on, you can find that out!

Ribbon Square is Fun

Have you ever tried to use ribbons crossing each other to enclose a square? And do it in a rectangle “something”, like a pool in fitness center?
Some questions are: What is the largest ‘ribbon square’ you can make? And the smallest? How many altogether?