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 ...

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 ...

The iPhone 12 Pro and iPhone 12 Pro Max’s LiDAR senor enables all sorts of cool camera features, like finding the dimensions of a room or turning real-world objects into 3D models. It’s also ...

The length of an object is the distance from one end to the other. Height measures how tall an object is. You can measure lengths or heights using centimetres and metres. The height of a plant would ...