Double Decomposition

Students use area diagrams to multiply 2 two-digit numbers. Note: Activity 1 was updated in the Teacher Edition PDF and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

Grades: 4th Grade

Subject: Math

Learning goals: Today’s Goal • Multiply 2 two-digit numbers using area diagrams. Materials • Students using print: Activity 2 PDF (optional), Activity 2 PDF (answers) (optional)