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 ...

How many inches are in a foot? Pick inches or feet to measure the length of objects. Warm up with a Mystery Math Mistake to add 2 two-digit numbers. Explore how many inches there are in a foot.

DNA Mathematics professional development empowers educators to master the mathematics being taught in classrooms. To exemplify the benefits of DNA Mathematics, download our FREE white paper now to ...