Bea’s Journey

Students subtract within `1,000` by place when a hundred must be decomposed.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Use place value understanding to subtract within `1,000` when a hundred must be decomposed. • Language Goal: Explain place-value based strategies in which a hundred must be decomposed. (Writing, Speaking, and Listening) • Language Goal: Justify the need to decompose a hundred when subtracting within `1,000`. (Speaking and Listening) Materials Manipulative Kit: base-ten blocks; Classroom materials: colored pencils or crayons, Three-Digit Place Value Mats (from Unit 5)