Adding Integers
8+(-15)=
-7
9-(-5)=
14
12*11=
132
250/(-50)=
-5
What does |a| tell you?
"the distance a is from zero"
-9+21=
12
-7-4=
-11
8*(-4)=
-32
(-56)/(-8)=
7
|17|=
17
14+(-9)+(-20)=
-15
Write as addition: -7-10=
-7+(-10)
-15*(-4)=
60
-120/40
-3
|-1000|=
1000
How do you add two same signed integers?
"add them & keep the sign"
Write as addition: 12-(-19)
12+(+19)
The product of a negative and a positive number is......
"negative"
10 x (-2) / 5
-4
-|-9|=
-9
How do you add different signed integers?
subtract them and keep the sign of the larger one
Complete the statement: Subtraction is ....
"addition of the opposite"
The product of two same signed integers is ...
"positive"
80 : (-2) : (-4) =
10
|2-10|=
8