1. Grand Bay Middle School
Bellringer #1
7th Grade Math
Grand Bay Middle School

2. Subtracting Integers Same,Change,Change. This means to change the
subtract sign to an add sign
and to change the 2nd
number sign to the opposite.

3. (-8) - (15) becomes
(-8) + (- 15) when using
Same, change, change

4. Practice Problems
17 - (-11) = B
= B
28 = B

5. X = (- 21) - (-18)
X = (-21) + 18
X = - 3

6. More problems
-8- (-22)=
8-22=
22-8=
-22-(-8)= 14
-14

7. 17 + ( - 8) - 15
17 +( - 8) + ( - 15)
- 6

8. -8
-31 - (-8) + 14 -9
- 23