Changing an Addend

Students explain how to use compensation to find unknown sums.

By Amplify Classroom

Grades: 1st Grade

Subject: Math

Learning goals: Today’s Goals • Find sums within `20`. • Represent and solve an Add To, Result Unknown story problem. • Language Goal: Explain how to use compensation to find an unknown sum. (Speaking and Listening) Materials Manipulative Kit: connecting cubes (optional), double `10`-frames (optional), two-color counters (optional)