Additive Inverse
What is an additive inverse
two numbers added together to make zero
Change 4 - 8 to an addition problem and then add
4 + -8 = -4
4.8 + 9.12
13.92
2.8 x 3.72
10.416
Change 2/5 to a decimal
.4
What is the additive inverse of 17
-17
Change -3 - (-7) to an addition problem and then add
-3 + 7 = 4
-4.6 - 7.15
-11.75
4.55 / .05
91
Change 3/7 to a decimal and stop at the hundredth place
.42
If you bought a coke for $1.50 and a bag of chips for $2.00, what amount of money would you have to give the cashier so the balance is $0
$3.50
Change 1 - (-1) to an addition problem and solve
3/4 + 1/8
7/8
7/12 x 3/14
1/8
change 4/9 to a decimal
.4444444...
What is the additive invers of -3.4 + -4.8
8.2
Solve the expression:
-3 - 7 -2 - (-6)
-6
-4 3/10 - 2 1/5
-6 1/2
2 1/6 divided by -3 5/6
-13/23
change 8/14 to a decimal and stop at the hundredth place
.57
What is the additive invers of zero?
0
why would you need to change the expression 8 - 2 into an addition expression
It's easier to solve as a subtraction problem
8 - 2 = 6
2 3/7 - 5 1/7
-2 5/7
change 3/4 to a decimal
.75