Lesson plan

Reason about the organization of numbers on a number line by developing a number line for a specific number set

teaches Common Core State Standards CCSS.Math.Content.2.MD.B.6 http://corestandards.org/Math/Content/2/MD/B/6
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: The distance between each whole number on a number line is the same. Moving to the right on a number line will increase the number and moving to the left will decrease the number. This lesson is designed to develop understanding of units on a number line. Students have used a number line in previous lessons to add and subtract but may not have studied the organization and features of a number line. This lesson follows a lesson on comparing measurement tools to a number line. Through this lesson students will develop a sense of equidistant units on a number line and be prepared to engage in the work of transferring measurements to a number line to add and subtract. Special Materials: classroom number line (optional)