Evaluating Expressions
Solving Equations
Percents
Probability
Statistics
100
8^2 + 2(3)
70
100
2x - 6 = 24
x = 15
100
What is 25% of 36?
9
100
If you roll a 20-sided die, what is the probability that the result is a one or a two?
10%
100
What is the range of the data set?
2, 4, 8, 10, 10, 15
13
200
4(1/2) + 9(5/3)
17
200
5x=2x-39
x = -13
200
What is 45% of 80?
36
200
If you flip three coins, what is the probability that all of them are tails?
1/8 or 12.5%
200
What is the median of the data set?
4, 100, 8, 3250, 4685, 125, 60000, 12000, 32000
3250
300
1^5+2[5 - 2(3 - 2^2)]
15
300
2/(x + 2) = 3/(2x-1)
x = 8
300
If a $12,000 investment is now worth $14,400, by what percent did it increase?
20%
300
If you pick a random integer from 1-4 and a random letter from A-E, what is the probability that the number is even and the letter is a vowel?
1/5 or 20%
300
What is the mean of the data set?
1, 2, 6, 6, 10, 10, 14, 15, 53
13
400
(5 - 3^2)/(-14 + 6(3))
-1
400
14-3(2+3x)=x-12
x = 2
400
Last month, the number of visitors at a theme park was 7,500. This month, the number is 30% higher. How many people visited this month?
9,750
400
A box contains 16 red hats, 8 blue hats, and 6 green hats. You select one at random, put it back, then select another. What is the probability that both hats are green?
1/25 or 4%
400
What is the approximate mean of the data graphed below?
36
500
(4^3 + 2^3)/(-18 + 3(-4 + 13))-2(3 + 0.6(15))
-16
500
-5/2+1/2(6x-5)=6(3x-1)
x = 1/15
500
Your account balance decreases by 12% to a final amount of $21,120. What was the original amount?
$24,000
500
A bag contains seven red candies, two green candies, three blue candies, and three purple candies. You take one at random, eat it, then take another. What is the probability that the first is red and the second is blue?
1/10 or 10%
500
Draw a scatter plot comparing the following:
