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Students add within `1,000` by place, composing tens and hundreds when necessary, and choose how to represent thinking. Note: Activity 2 was updated in the Student Edition PDF and the Student Edition (Answers) PDF on 1/12/2026.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Use place value understanding to add within `1,000`, composing hundreds and tens when necessary, and show thinking. • Language Goal: Explain place-value based strategies for adding within `1,000`. (Writing, Speaking, and Listening) Materials Manipulative Kit: number cards (`1`–`9`), base-ten blocks (as needed); Classroom materials: chart paper, markers, Three-Digit Place Value Mats (as needed, from Unit 5)