How Many Bags?

Students share and compare addition strategies to recognize that an addend can be decomposed into more than 1 part.

By Amplify Classroom

Grades: 1st Grade

Subject: Math

Learning goals: Today’s Goals • Add 2 two-digit numbers, composing a ten when necessary, using place value understanding.  • Language Goal: Explain the steps taken in a partially completed addition strategy. (Speaking and Listening) • Language Goal: Explain the reasoning for choosing particular addition strategies. (Writing) Materials Lesson Resources: Graphic Organizer PDF, Tens and Ones Mat (optional); Manipulative Kit: connecting cubes (optional), Classroom materials: Words to Describe Addition Strategies chart (as needed)