Who is who in your school community? In this lesson, students will learn about the people who work at their school and how everyone helps each other to keep the school running safely.

Allow your students to explore the pros and cons of different strategies used to find the area of rectangles. Use this as a stand alone lesson or as a pre-lesson for the Multiplication and Area in the Community Garden lesson.

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