Help Professor Barble with his word problem error and solve measurement word problems. Join Mrs. Markavich with a Mystery Math Mistake - see if you can help Professor ...

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 ...

The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or weight is measured in ...

You don’t need a calculator to quickly find the center of something that’s an odd length, such as 37 5/8 inches. The smart folks at This Old House show us two ways to quickly divide a length in half ...