Adding Integers
8+(-15)=
-7
9-(-5)=
14
What is the additive inverse of (-2)?
+2
Which is bigger? -7 or -10
-7
-9+21=
12
-7-4=
-11
What is the additive inverse of (-9)?
+9
Which is bigger? -20 or -12
-12
14+(-9)+(-20)=
-15
Write as addition: -7-10=
-7+(-10)
What is the additive inverse of 16?
-16
Which is bigger? -34 or 34
34
How do you add two integers with the same sign?
Add them & keep the sign the same.
Write as addition: 12-(-19)
12+(+19)
What is the additive inverse of (+27)?
-27
Which is bigger? +11 or 11
They are equal.
How do you add two integers with different signs?
Subtract them and keep the sign of the larger number.
Write as addition:-18-5
-18+(-5)
What is the additive inverse of (-209)?
+209
Which is bigger? -20 or -20
They are equal.