Addition of Natural Numbers (Lesson 2 of 18)

This lesson plan, from the Contextualize to Learn project at the University of Wisconsin-Madison, provides an opportunity for students to add natural numbers together. In the activity, students work in pairs to add two multi-digit natural numbers, where addends differ in number of digits. Included in the lesson plan is a student and instructor guide, as well as a homework assignment with solutions. Additional lessons in the series are available to view separately. This lesson requires the following manipulatives: Base-Ten blocks.

The expected total time for the lesson is fifty-five minutes.