Fractions
What is
2/3 *4/5?
8/15
What is 3% of 200?
6
Solve:
-9 - 6
-15
A number cube is rolled. Find the probability of not rolling a 2 or a 3
4/6
How many possible outcomes are there if you can have apple, peach or cherry pie with milk, juice or tea?
9
What is
7/8 ÷ 2/3?
21/16 or 1 5/16
14 is 20% of what?
70
Solve:
8 + -3
5
The letters of the word peterson are placed in a bag. What is the likelihood of selecting a vowel?
Unlikely
It rained for 5 out of 14 days in a city in Florida. Approximately how many days will it rain out of 56?
20
What is
3/5 + 9/10?
15/10 or 1 1/2
102 is what percent of 136?
75%
Solve:
7 - (-6)
13
3 out of every 10 students ride the bus to school. How many students out of 120 students ride the bus?
36
The type of probability where the outcome results from repeated trials
Experimental
What is
2 1/7 - 1/2?
23/14 or 1 9/14
You buy a shirt that is $26 full price with a 40% off coupon. How much do you pay for the shirt?
$15.60
Solve:
-12 + 4
-8
The type of probability where the outcome is predicted mathematically
Theoretical
A letter card A through H is chosen, and a number cube is rolled. Find the probability of choosing a C and then rolling less than a 3.
2/48 or 1/24
What is
3 5/6 ÷ 1 1/3?
69/24 or 2 3/4
An account balance drops from $185 to $160. What is the percent decrease?
13.5% decrease
6 + (-3) - 10
-7
A bag contains 9 blue marbles and 3 red marbles. What is the probability of selecting a blue marble first and then a red marble without replacement?
27/132 or 9/44
A bag contains 9 blue marbles and 3 red marbles. What is the probability of selecting 3 red marbles?
6/1320 or 1/220