Fractions, Decimals, and Percentages
3.75+2.6
6.35
What is the name for a mathematical statement that shows two expressions are equal?
An equation
x + 7 = 15
8
If the probability of rain tomorrow is 40%, what is the probability that it does not rain?
60%
A standard six-sided die is rolled. What is the probability of rolling a 4?
1/6
In simplest form, what is the sum of 1/4 and 3/8 ?
5/8
In geometry, a straight path that extends infinitely in both directions?
A line
14x - 6 = 50
4
A company's monthly sales are: 12,000, 14,500, 13,800, 15,300, and 14,200. What is the median sales figure?
14,200
A coin is flipped twice. What is the probability of getting two tails?
1 in 4
What is 2/5 of 50
20
What do we call the middle value in an ordered set of numbers?
The median
2x - 3 = 5x + 9
-4
A student scored 81, 74, and 70 on three tests. What is their average score?
75
A raffle has 200 tickets, and you bought 8 of them. What is the percentage probability that one of your tickets is drawn as the winner?
4%
A sweater originally costs $40 but is on sale for 25% off. What is the sale price of the sweater?
$30
What do we call a mathematical comparison using division, often written in the form "a to b" or a:b?
A ratio
3(x+4)/24 = 5
36
In a survey of 500 people, 70% said they prefer coffee over tea. How many people chose tea?
150
A jar contains 3 red, 5 blue, and 7 green candies. If you randomly pick one, what is the probability that it is not red?
12/15 or 4/5
A watch sells for $220. During a sale, the price is discounted by 25%. After the sale, an additional 10% discount is applied to the new price. What is the final price of the shirt?
$148.50
What is the term for the longest side of a right triangle?
The hypotenuse
5² × 53= 5x
5
The average of six numbers is 12. If five of the numbers are 10, 14, 8, and 25, what is the missing number?
15
Betting odds are written x : y, where probability of x happening is calculated by the equation x/(x+y). The odds of Starlight winning the Kentucky derby is 2:7. The odd of Moonlight winning is 3:8. Who has the higher probability of winning?
Moonlight