Comparing at the Library

Students solve Compare problems with unknowns in all positions. Note: Activity 2 was 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 • Solve Compare problems, with unknowns in all positions, within `100`. • Language Goal: Explain how representations match story problems. (Speaking and Listening) Materials Lesson Resources: Comparison Tape Diagrams PDF (optional); Manipulative Kit: connecting cube towers of `10` and single cubes; Classroom materials: dry-erase markers (optional)