Solve the Puzzle

Students add and subtract within `100` using strategies based on place value.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Make addition and subtraction equations and expressions true by finding the missing values using strategies based on place value, including composing and decomposing a ten, the relationship between addition and subtraction, and the properties of operations. • Language Goal: Explain when and how to compose or decompose a ten. (Speaking and Listening) Materials Lesson Resources: Graphic Organizer PDF, Place Value Mat (optional); Manipulative Kit: base-ten blocks (optional)