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 ...

You’re moving, or maybe you’ve just got a lot of stuff, and you need to rent out a storage container—but you have no real sense for how much storage you need. Keep reading, because understanding the ...

Measure the length of objects & sides of shapes in inches. Compare centimeters and inches. Warm up with a Mystery Math Mistake to add 2 two-digit numbers. Measure the length of objects and sides of ...