Wazzle-Squash Festival

Students explore compensation as a strategy for adding 2 two-digit numbers.

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 or a compensation strategy. • Language Goal: Justify if given equations that show a compensation strategy could be used to find the sum of 2 two-digit numbers. (Speaking and Listening) Materials Lesson Resources: Activity 2 PDF (for display), Graphic Organizer PDF, Tens and Ones Mat (optional); Manipulative Kit: connecting cubes (optional); Classroom materials: markers, Words to Describe Addition Strategies chart (from prior lessons)