Rational Numbers
9 x (-4) =
Simplify
-3x + 8x + 7 - 10
5x - 3
What are the 3 ways to write a ratio?
a/b, a:b, a to b
(Fraction, colon, "to")
What is the probability the day of the week begins with a "T"
2/7
What is the perimeter of a rectangle with a length of 12 inches and a width of 7 inches?
Perimeter = 38 inches
21.6 + (-3.5) =
18.1
-2(2x + 9) + 14x + 2b
10x - 18 + 2b
3 5
---- = ----
x 30
x = 18
Find the mean of the data set.
5, 6, 12, 10, 5, 7, 15
Round to the nearest tenth.
8.6
Two angles have the following measures:
A = 30 degrees, B = 150 degrees
Which statement below is true?
A. The angles are complementary
B. The angles are supplementary
C. The angles are vertical
D. The angles are congruent
B. The angles are supplementary
(Sum of 180 degrees)
-3/4 + 1/2 =
-1/4
5x + 23 = -2
x = -5
Sally wants to buy a $40 sweater that is discounted for 30% off. What is the new price of the sweater?
$28
Ms. Varney is shopping for ice cream. She can choose from: chocolate, vanilla or strawberry. The topping options are mini M&Ms or heath bar. Lastly, she can either get rainbow sprinkles, chocolate sprinkles, or walnuts.
What is the sample space? (Total # of outcomes)
3 x 2 x 3 = 18 total outcomes
The rectangular prism has the following dimensions:
L = 3 ft
W = 4.5 ft
H = 10 ft
What is the volume? Units must be correct.
135 ft3
-9/10 x (-5/18) =
1/4
Find the solution set to the inequality and describe the graph
-2x + 2 < 8
x > -3
Open circle, arrow to the right
B Block's homework grade went from a 71% quarter 1 to a 55% quarter 4.
Find the percent change and state it there was an increase or decrease. Round to the nearest whole percent.
23% decrease
Find the probability of flipping a coin, then rolling a 6-sided dice.
P(Flipping tails, rolling a 3 or 4)=
2/12 or 1/6
The triangular prism has the following dimensions:
B = 5 inches
H = 7 inches
L = 3 inches
What is the volume? Units must be correct.
V = 52.5 in3
-8.62 x (-3.2) =
-12x + 17 = -15 + 4x
x = 2
Joey Buckets needs to borrow $3,000 from Kaden. Kaden charges him a 2.5% interest rate and wants to be repaid in 2 years. What is the total amount Joey needs to repay Kaden?
$3,150
A bag contains the numbers:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
What is the probability of pulling a 5, not replacing it, then pulling an even number?
5/90 or 1/18
The rectangular prism has the following dimensions:
L = 5 inches
W = 3 inches
H = 8 inches
What is the surface area? Unit must be correct.
SA = 158 in2