What’s the Difference?

Students subtract a two-digit number from a two-digit number using any method. Note: • Activity 1 was updated in the Student Edition PDF and the Student Edition (Answers) PDF on 1/12/2026. • The Show What You Know screens, PDF, and Answer Key PDF were updated on 1/12/2026.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Subtract a two-digit number from a two-digit number using any strategy. • Language Goal: Compare subtraction strategies. (Speaking and Listening) Materials Lesson Resources: Graphic Organizer PDF, Place Value Mat; Manipulative Kit: base-ten blocks, number cards (`1`–`9`)