1. Subtracting Integers

2. What did you learn yesterday?
Write only the answers to the following problems on the piece of scrape paper given to you.
19 + (-29)
-6 + (-5)
15 + (-6)
9 + 9
= -10
= -15
= -11
= 9
= 18

3. Procedures Identify the operation Rewrite the problem in addition form
Identify if the signs are the same or different
Tell whether to add or subtract
Finally give answer

4. Problem 1
-5 – 8
-5 + (-8)
same
add
-13

5. Problem 2
-8 – (-4)
-8 + 4
different
subtract -4

6. Problem 3
13 – 15
13 + (-15)
different
subtract -2

7. 10 – (-5)
Problem 4
10 + 5
same
add 15

8. -9 – (-13)
Problem 5
different
subtract 4

9. -18 – 4
Problem 6
-18 + (-4)
same
add
-22

10. 21 – 15
Problem 7
21 + (-15)
different
subtract 6

11. -7 - (-14)
Problem 8
different
subtract 7

12. -11 – 12
Problem 9
(-12)
same
add
-23

13. 17 – 24
Problem 10
17 + (-24)
different
subtract -7

14. Now is your turn!!
Do as many problems as possible in the next ____ minutes.
After time is up you will switch papers.
We will go over the answers.
Then you will get your paper back.

15. Answers to Subtracting Decimals