Creating a Number Line

This lesson teaches how to create a number line by numbering equally spaced points. It explains the order of numbers, clarifies common misunderstandings about spacing, and provides a step-by-step guide to creating a number line. An example of building a number line between 30 and 40 is also included, demonstrating how to identify endpoints and place evenly spaced points. The lesson concludes with a summary of the key concepts covered.

What is a common misconception about number lines?

• Numbers are spaced unequally.

• Numbers decrease from left to right.

• Numbers are spaced equally.

• Numbers increase from right to left.

What is the first step in creating a number line?

• Number the points.

• Draw a straight line.

• Place tick marks.

• Identify the endpoints.

How do numbers increase on a number line?

• They do not increase.

• In random order.

• From left to right.

• From right to left.

What should you do after identifying the endpoints on a number line?

• Erase the endpoints.

• Number the points.

• Draw a straight line.

• Place evenly spaced points.

If you are building a number line between 30 and 40, what number comes right before 40?

• 41

• 30

• 39

• 38