Bead racks offer students a hands-on, concrete way to illustrate their math thinking and build numbers. Through this Teaching On Demand we will explore strategies for composing and decomposing numbers, as well as, establishing the primary benchmarks of 5, 10, and 20 on a rekenrek. Teaching on Demand videos couple a high-quality instructional video with the materials and centers needed to implement the teaching strategy in your classroom. Purchasing this Resource Gives You Access to...*a 15 minut