PEMDAS
What does the P in PEMDAS stand for?
Parentheses
What's the difference between area and perimeter?
Area is the space inside a shape, perimeter is the distance around a shape.
What is 2/5 as a percent?
40%
4x = 64
x = ?
16
What is the median of the following dataset:
5, 9, 3, 2, 16
5 = the middle number once ordered
2, 3, 5, 9, 16
3(4 + 1)2 =
75
Calculate the area and perimeter of a rectangle with a length of 5 and a width of 3.
Area = 15
Perimeter = 16
What is 30% of 50?
15
x + 25 = -5
x = ?
-30
Maria took the math practice test 3 times and got the following scores: 133, 139 and 148. What was her average score?
140
(133+139+148)/3
10 plus 100 divided by the square root of 25 =
30
Explain the relationship between radius and diameter.
radius is half the diameter
diameter is twice the radius
3/4 divided by 1/6 = what as a mixed number?
4 1/2 or 4.5
A train ride takes 4 hours and travels 300 miles. On average, how fast was the train traveling?
distance = rate x time
d = rt
300 = 4r
75 miles per hour
A small bag of M&Ms contains 4 brown, 3 orange, 5 green, 2 yellow, 4 blue and 2 red. What is the probability of selecting a green M&M at random?
5/20 = 1/4 or .25 or 25%
(7 x 3)23 divided by the square root of 16 =
42
What is the volume of a cylinder with a diameter of 10 and a height of 15? V = (pi)(r2)(h)
V = (pi)(52)(15) = 375pi or 1,178.1
Jo walks 2 1/2 miles each Monday, Wednesday and Friday. Every Tuesday and Thursday she walks 3 1/4 miles. On the weekend she walks 4.75 miles each day. How many total miles does Jo walk in a week?
9 1/2 or 9.5
The circumference of a circle is 628 feet. What is its diameter?
C = pi x d
pi = 3.14
628 = 3.14d
diameter = 200
If it rains 3 inches in 5 days, how many inches will it rain in 20 days at this same rate?
12 inches
Create and solve a problem that has each order of operation.
...
What is the area of a trapezoid with a bases of 4 and 6 and a height of 3? A = (b1 + b2)h divided by 2
A = (4 + 6)3 / 2 = 15
Put the following numbers in order from smallest to largest: 3/4, 0.4, 1/3, 4/5, 0.25
0.25, 1/3, 0.4, 3/4, 4/5
0.25, 0.33, 0.4, 0.75, 0.8
7x - 63 = 21
x = ?
x = 12
Three friends go out to dinner. The bill comes to $75. If they leave a 20% tip and split everything evenly 3 ways, how much does each friend owe?
$30
($75 + $15)/3