Explore everything about circles. Learn various parts of a circle like a diameter, radius, circumference, circles chord, tangent circles, major arc, segment, sector, and discover other interesting aspects of it. Try your hand at solving...

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.

Abeni works at the pyramids. Visit her and find out more about circles and triangles.

Kyan is an African villager. Can you help him name and define different parts of shapes?

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying various 2D shapes in a set of figures.

Estimate the size of angles when given a picture or a situation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.