Determining Sums of 2 or More Addends

Students use algorithms of their choice to determine the values of addition expressions that require composing more than 1 unit.

By Amplify Classroom

3rd Grade

Math

Today’s Goals • Build fluency using algorithms to add within `1,000`, including when more than 1 unit needs to be composed. • Language Goal: Justify when it is necessary to compose more than 1 unit. (Speaking and Listening) Materials Classroom materials: Addition Algorithms chart (from prior lessons)