Frog’s Funplex

Students subtract within `1,000` by place when a hundred and a ten must be decomposed and represent thinking with base-ten diagrams.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Use place value understanding to subtract within `1,000`, decomposing hundreds and tens when necessary. • Use base-ten diagrams to represent strategies used to subtract within `1,000`. • Language Goal: Compare subtraction expressions in which it is necessary to decompose a hundred and a ten. (Speaking and Listening) Materials Lesson Resources: Activity 1 PDF; Manipulative Kit: base-ten blocks (as needed); Classroom materials: Three-Digit Place Value Mats (as needed, from Unit 5)