What’s the Difference?

Students notice the relationship between subtracting `1` and counting back `1`.

By Amplify Classroom

1st Grade

Math

Today’s Goals • Find the difference when subtracting `1` from a number. • Language Goal: Explain how to find the difference when subtracting `1` from a number. (Speaking and Listening) Materials Lesson Resources: Activity 1 PDF, Activity 2 PDF; Manipulative Kit: connecting cubes (optional); Classroom materials: chart paper, markers, Words That Describe Subtraction chart (teacher made)