Pointing Out Patterns

Students apply mental strategies for adding within `20` to recognize patterns in the sums of even and odd numbers. Note: • Activity 2 was updated in the Student Edition PDF and the Student Edition (Answers) PDF on 1/12/2026. • The Show What You Know screens, PDF, and Answer Key PDF were updated on 1/12/2026.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Recognize patterns in the sums of even and odd numbers within `20`. • Fluently add and subtract within `20` using mental strategies. • Language Goal: Compare patterns in the sums of even and odd numbers within `20`. (Speaking and Listening) Materials Manipulative Kit: connecting cubes, two-color counters