Geometry is the study of how to use math to describe and investigate different points, lines and shapes. The way that a shape is described in geometry is with a formula, which is simply a mathematical way to calculate different...

This activity allows the user to compare to quantities by estimating. Students use three types of estimations: counting, length, and area. An interactive activity and teacher resources are included.

Practice estimating the volume of real life objects using milliliters and liters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.