How Many Cubes?

Students add a ten to and subtract a ten from multiples of `10` within `100`.

By Amplify Classroom

1st Grade

Math

Today’s Goals • Add a ten to and subtract a ten from multiples of `10` within `100`. • Recognize that counting on or back by `10` can be used to add a ten to or subtract a ten from a multiple of `10`. • Language Goal: Describe patterns in a series of sums and differences that increase or decrease by `10`. (Speaking and Listening) Materials Manipulative Kit: connecting cubes (optional); Classroom materials: Representations of Tens chart (from Lesson 3)