Lesson 1 Whole Numbers on the Number Line
Let’s represent numbers on a number line.
Warmup Notice and Wonder: Rulers and Number Lines
What do you notice? What do you wonder?
Activity 1 What is a Number Line?
Label each tick mark with the number it represents.
Locate 6 on the number line. Mark it with a point.
Locate a number on the number line that is greater than 6. Mark it with a point.
Label each tick mark with the number it represents.
Locate 9 on the number line. Mark it with a point.
Locate a number on the number line that is less than 9. Mark it with a point.
Activity 2 Make Your Own Number Line

Make a number line that goes from 0 to 20.

Locate 13 on your number line. Mark it with a point.

Locate 3 on your number line. Mark it with a point.

Compare your number line with your partner’s.
Practice Problem
Problem 1
Label each tick mark with the number it represents.
Locate 7 on the number line. Mark it with a point.