In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we focus on using numbers lines to solve. Julia uses her chart and white board ...

Julia begins with a Number of the Day warm up activity, followed by practicing 2 and 3 addition and subtraction equations, with and without regrouping, using base 10 drawings, expanded from ...

Ellis showed a subtraction problem, performed both using the traditional regrouping ... demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ...