Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...

A person can measure their height at home by using an object, such as a pencil, to mark a wall and measure the distance. However, it is often easier to measure height with help from another person.

Ever needed to get the dimensions of something but don’t have a tape measure to hand? There is an iPhone app uses augmented reality to get the measurements of any object you choose, here’s how. The ...