Adding Fourths to Make 1
Counting by Fourths
How to use: Count out loud, then ask: What do you notice? What do you wonder? Check out Jessica Shumway’s excellent books for K-2 and 3-5 number sense routines, specifically the Counting Routines.
Decomposing to Subtract
How to use: Have students solve each problem on their own, then watch the video and ask: What is the same? What is different?