Rulers help you measure all sorts of things, but you need to learn how to use it first! Follow along with this tutorial to see how to use a ruler to measure objects in centimeters.
If you're measuring the length of an object, you can use one of the metric units used to measure length. Follow along with this tutorial to learn about these metric units for length.
Measuring is a building block of math and understanding the world around us. This tutorial shows you how to measure an object in inches using a ruler.
Knowing how to use a ruler is an important skill in both math and the real world! Follow along with this tutorial to see how to use a ruler to measure an object in millimeters!