This lesson plan, Road Trip Reasoning, is a video based lesson for grade 3. Attached to this lesson is the YouTube video link to the video lesson and PDF files of the lesson plan and extension activities.

Learning Goals:

• An open number line is a visual representation that allows students to record and share
their thinking strategies during the process of mental computation.
• The empty number line allows students to see the variety of ways that the same
question or problem can be solved.