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Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

Help students gain confidence in recognizing multiples of 10 as they critique a flawed response. Use as a stand-alone scaffolded EL support lesson or prior to teaching Big Spenders.

Let’s make subtraction real! In this lesson, students dive into three-digit subtraction by solving real-world word problems.

Give your students the resources they need to solve word problems with this math lesson. Your class will learn how to categorize important keywords using a WIKED map, a visual tool that helps them through the problem-solving process.