Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the ...

“To teach well, you should pay careful attention to what an assignment will make students think about,” Willingham advises, “because that is what they will remember.” It’s a sentence that has made me ...

First grade math is all about building strong foundations in counting, addition, subtraction, and problem-solving—while ...