Counting Flowers for Lei

Students multiply two-digit numbers by one-digit numbers. Note: Activities 1 and 2 were updated in the Student Edition PDF, Student Edition (Answers) PDF, and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

4th Grade

Math

Today’s Goals • Multiply two-digit numbers by one-digit numbers using any strategy or representation. • Language Goal: Explain a strategy for multiplying two-digit numbers by one-digit numbers. (Speaking and Listening) Materials Lesson Resources: Centimeter Grid Paper PDF (optional); Manipulative Kit: base-ten blocks (optional)