1. Use a number line to subtract
1.30

2. I can use the number line to subtract.
Objective:

3. This is important, because subtracting will be used in any job you have when you grow up. (banker, store manager, engineer, computer scientist, moms, dads, etc.)
Why does this matter?

4. First you need to know:
A number line continues forever in both directions.
If you are subtracting you go to the left on a number line.

5. I can use a number line to subtract.
Steps:
Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer.
How to do it:

6. Turn to your partner and tell them the steps
Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Turn to your partner and tell them the steps

7. 7 - 2 = ____ Watch me: Steps: Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Watch me:
7 - 2 = ____

8. 4 - 4 = ____ Watch me: Steps: Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Watch me:
4 - 4 = ____

9. 6- 4 = ____ Let’s do some together! Steps:
Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Let’s do some together!
6- 4 = ____

10. 8+ 1 = ____ Let’s do some together! Steps:
Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Let’s do some together!
8+ 1 = ____

11. 8- 3 = ____ Let’s do some together! Steps:
Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Let’s do some together!
8- 3 = ____

12. 4-3 = ____ Let’s do some together! Steps:
Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Let’s do some together!
4-3 = ____

13. Review the Steps Steps: Find and circle the biggest number.
Find how many you need to count back and jump that amount.
Circle the number you landed on. This is the answer!
Review the Steps

14. 9- 2 = ____ ___+ ___ = ____ Seesaw Steps:
Write the equation. Record yourself explaining and solving.
Write and record your own equation.
Seesaw
9- 2 = ____
___+ ___ = ____

15. I can use a number line to subtract.
Evaluate:
I can use a number line to subtract.