Investigate: Packing Lei

Students determine possibilities for how lei could have been packed. Note: The Activity was updated in the Teacher Edition PDF and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

4th Grade

Math

Today’s Goals • Determine at least 3 different totals within a given range that could be formed by equal groups. • Represent equal groups of multi-digit numbers using words or diagrams. • Language Goal: Explain strategies for multiplying multi-digit numbers. (Speaking and Listening) Materials Lesson Resources: Centimeter Grid Paper PDF, Investigation Organizer PDF (optional); Manipulative Kit: base-ten blocks; Classroom materials: chart paper, markers