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.

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 ...

Egan J Chernoff receives (and has received) funding from Social Sciences and Humanities Research Council. University of Saskatchewan provides funding as a founding partner of The Conversation CA.

Of the 10 states that gave Smarter Balanced academic achievement tests to their students in 2019, Oregon showed the second-worst math performance, behind only Nevada, a new analysis shows. No other ...