Adding & Subtracting Integers
-12 + 5 =
-7
1/2 * 1/2 =
1/4
1.2 + 3.5 =
4.7
3/20 = x/500
75
define Associative Property
you can add or multiply regardless of how the numbers are grouped
(-10) - 20 =
30
10/12 / 1/2 =
20/20 or 1
10.295 - 7.756 =
2.539
10/20 = x/35
20
The __________________ is a constant ratio (unit rate) in any proportional relationship
100 + (-100) =
0
15/8 * 7/6 =
2 3/16
On Tuesday, Ben walked to a toy store and decided to buy a doll for $2.11. Ben handed the sale person $5.32 for his purchase.
How much change did Ben receive?
$3.21
8/20 = x/1000
400
The _____ goes through the center point and touches 2 points on the edge.
Diameter
(-3+1) + (3+-2) =
-1
100/50 / 144/45 =
1.6
47.568 - 29.463 =
18.105
350/144 = x/700
1701.388889
define Mean, Median, Mode, & Range
Mean- intend to convey, indicate, or refer to (a particular thing or notion); signify.
Median- denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it.
Mode- a way or manner in which something occurs or is experienced, expressed, or done.
Range- the area of variation between upper and lower limits on a particular scale.
(-144 + -10) - (12 + 12) =
-178
12/144 / 10/20 =
6
51.6 + 00.624 =
50.976
144/144 = x/1000
1000
Probability based on an experiment written as a ratio comparing the number of times the event occurred to the number of trials. This is what actually happens.