Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

Get your students thinking like mathematicians with this lesson that has them crafting questions for multi-step word problems. It may be taught independently or as support for the lesson Multi-Step Word Problems? No Problem!

Get your students discussing the attributes of polygons by having them categorize statements as always, sometimes, or never true. Use this lesson independently or alongside Characteristics of Polygons.

Help students develop compare and contrast skills while they examine multi-digit addition models. This lesson can be used independently or in conjunction with the lesson Addition with Regrouping.