How Do You Know? (Part 1)

Students justify how 2 fractions are equivalent using visual fraction models, words, and equations. Note: • The Show What You Know screens, PDF, and Answer Key PDF were updated on 1/12/2026. • Activity 1 was updated in the Student Edition PDF, Student Edition (Answers) PDF, and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

Grades: 4th Grade

Subject: Math

Learning goals: Today’s Goal • Language Goal: Justify that 2 fractions are equivalent using visual fraction models, words, and equations. (Reading, Writing, Speaking, and Listening) Materials Lesson Resources: Activity 1 PDF; Classroom materials:  straightedges, rulers, fraction-strip diagrams, number lines, and concrete objects