Estimate and Measure with Centimeters Season 2 Episode 204 | 15m 59sVideo has Closed Captions| CC Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy.

How to measure things with the iPhone Here’s how you can use your iPhone to find out how big something is. Measure is a standalone app.

Included within Apple's new iOS 12 operating system, you can use Apple's Measure app to measure objects and spaces in real environments with your iPhone or iPad instead.

Measure speed with your phone Your phone does a pretty good job of measuring your speed, thanks to the accelerometer and other built-in sensors.

You can measure lengths or heights using centimetres and metres. The height of a plant would be measured in centimetres (cm). The height of a tree would be measured in metres (m).