Subtraction Choices

Students flexibly choose strategies to subtract within `100` and explain reasoning for those choices. Note: • The Show What You Know screens, PDF, and Answer Key PDF were updated on 1/12/2026. • Activities 1 and 2 were updated in the Teacher Edition PDF and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Choose strategies to subtract within `100`. • Solve Compare, Difference Unknown story problems within `100`. • Language Goal: Explain reasoning for choosing a subtraction strategy. (Writing, Speaking, and Listening) Materials Lesson Resources: Graphic Organizer PDF, Place Value Mat; Manipulative Kit: base-ten blocks