In this lesson, students will learn to create a simple algorithm using block code. The platform used for this activity is a website created by Google that provides free educational games that teach students to program using block code.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.