Kitten Coaster

Students find the number that makes an equivalent `10+n` expression with the same value as an unknown sum within `20`.

By Amplify Classroom

1st Grade

Math

Today’s Goals • Generate `10+n` expressions that have the same values as addition expressions within `20`. • Language Goal: Explain how to find the unknown addend in a `10+n` expression that is equivalent to a sum within `20`. (Speaking and Listening)