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 ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using addition and subtraction strategies to solve two-digit equations using ...

Are math problems bugging your kids? Tell them to talk back -- using their hands. Psychologists report that gesturing can help kids add new and correct problem-solving strategies to their mathematical ...