Showing Two and Three Digit Numbers on a Number Line

This lesson teaches how to represent numbers on a number line by considering hundreds, tens, and ones. It begins with modeling numbers using place value tools and addresses common misunderstandings, such as incorrect scaling. The lesson provides examples of placing two-digit and three-digit numbers on a number line, emphasizing the importance of understanding the scale and units. By the end, students should be able to accurately model numbers on a number line using place value concepts.

Explain the common misunderstanding when using number lines.

What are the components needed to model the number 45 on a number line?

How would you model the number 89 on a number line?

Describe the process of modeling the number 253 on a number line.

What strategies can be used to show numbers on a number line?