Lesson 8 Equations on a Number Line
Let’s write equations and represent them on a number line.
Warm-up Choral Count: Back by 10
Count back by 10, starting at 99.
Count back by 10, starting at 98.
Count back by 10, starting at 95.
What patterns do you see?
Activity 1 Represent Equations
![Number line labeled from 0 to 14 with a rabbit hopping from 0 to 5, 5 to 10, and 10 to 13.](../../../../../downloads/1f919c30--CS-2.4-Lesson-8.png)
Represent each equation on the number line.
Activity 2 Write Equations
For each number line, write an equation that matches the diagram.
Equation:
Equation:
Equation:
Equation:
Compare your equations with your partner.
Pick the 2 number lines you think are most alike. Explain your choice to your partner.
Practice Problem
Problem 1
Here is a number line.
Write an equation that the number line represents.
Explain how your equation matches the number line.