Integer Operations
-8 + (-9)
-17
Which math property does this equation show?
10 x 5 x 3.2
10 x 3.2 x 5
Commutative property of multiplication
I know a table shows a proportional relationship when....
constant multiplier
What is the unit rate of 500 miles in 25 hours?
20 miles per hour
When adding two integers with the same sign you ______________________.
Add and keep the sign
5 + (-12)
-7
Which math property does this equation show?
45 + 99 + 55 + 9
(45 + 99) + (55 + 9)
Associative Property of Addition
I know an equation is proportional when...
Shows multiplication or division (cannot have addition or subtraction)
What is the unit rate of $1200 for 40 pounds?
$30 per pound
When adding integers with different signs you......
Subtract and keep the sign of the larger number
-8(-9)
72
Which math property is shown
45 + 77 + 8
8 + 77 + 45
Commutative property of addition
I know a graph shows a proportional relationship when...
Linear (straight line) and goes through the origin (0,0)
What is the unit rate of 20 pounds cost $5?
$0.25 per pound
Subtracting integers is the same as ...............
adding the opposite
-50/5
-10
Which math property is show?
5 + (-5) = 0
Additive Inverse
56 minutes
6 pack of soda is on sale for $2.46. What is the unit rate?
$0.41 per soda
Multiplying/ dividing integers with the same sign my answer is......
positive
7(-3) + 3 - (-9)
-9
Which math property is shown?
3 + 2(4x - 8)
3 + 8x - 16
Distributive Property
It took Mrs. Johnson 10 hours to drive 715 miles. If she drove at a steady rate, how many miles would she drive in 2 hours?
143 miles
15 pages in 60 minutes. What is the unit rate per minute?
0.25 pages per minute
Multiplying/dividing integers with the different signs my answer is ...............
negative