Unit 1, Lesson 2# Representing Addition with Part, Part, Whole

Massachusetts Department of Elementary and Secondary Education 60 min(s)

The focus of this lesson is for students to learn to model the concept of putting together and the skill of counting on. They will use manipulatives to represent addition expressions and equations, and then write the numbers to show numerical addition expressions and equations. This activity will model the skill of putting together and counting on to solve for the total. Students will first use manipulatives to represent addition expressions and equations.