Pi Day worksheets make learning about circles, measurements, and the famous number Pi fun and engaging for kids. Whether you’re celebrating March 14th in the classroom or at home, these free printable ...

A circle is a shape where every point at its edge is the same distance from the centre. A circular shape or object is one that is in the form of a circle. How many of these circular objects can ...

A model of the famous toy known as a spirograph. A circle of radius r (see blue circle below) is allowed to roll around the inside of a circle of radius R (see black circle below). We assume that the ...