Statistics & Probability
Ratios and Proportions
Fractions Decimals, Percents
Expressions
Equations & Inequalities
Vocabulary
More Vocabulary
100
A chocolate company selects 50 random packages to check their weight. It finds that 2 packages have the incorrect weight. Tell how many packages are predicted to have an incorrect weight out of 500.
What is 20 packages?
100
A recipe used
2/3
cups of sugar for every 2 teaspoons of vanilla. Tell how much sugar was used per teaspoon of vanilla.
What is
1/3
cups/teaspoon?
100
This is .75 converted into a percent
What is 75%?
100
Simplify 2x + 4x
What is 6x ?
100
h + 7 = 12
What is the value of h?
What is h = 5?
100
The number that is multiplied by the variable in an algebraic expression.
What is the coefficient?
100
The set of whole numbers and their opposites
What are integers?
200
(18, 10, 9, 8, 5, 14, 9, 2, 6)
Determine the median for the given data set.
What is 9
200
If 8 cups of yogurt cost $4.50, how much will 11 cups of yogurt cost?
What is $6.16?
200
This is 1/5 converted into a decimal.
What is 0.2?
200
Simplify the expression
2(x + 5)
2x + 10
200
5x = 25
What is the value of x?
What is x =5 ?
200
A constant ratio of two variables related proportionally.
What is constant of proportionality?
200
The middle number, or the mean of the two middle numbers in an ordered set of data.
What is the median?
300
A bag of marbles contains 3 red and 6 blue. Tell the probability of randomly selecting a blue marble from the bag.
2/3
300
If a 25 lb pizza costs $85, how much is the pizza per lb?
What is $3.40?
300
This is 1.15 converted to a percent
What is 115%?
300
Simplify the expression 5(2x + 3y)
10x + 15y
300
2(2x + 3) = 14
What is the value of x?
What is x = 2?
300
Having the same value
What is equivalent?
300
The entire group of objects or individuals considered for a survey
What is a population?
400
Student satisfaction with the middle school cafeteria.
Method A: Survey 40 students in two seventh-grade math classes. 72 percent are satisfied with the food in the cafeteria.
Method B: Survey 65 students from a list of all students in the school. 85 percent are satisfied with the food in the cafeteria.
Tell which method is a better representation of the student body.
Method B
400
Tell the equation for this graph.
What is y=5x?
400
At the mall there was an item that was on sale for 25% off the original price of $200. What is the sale price before tax?
What is $150?
400
Simplify: 2(x + 3) - (x - 7)
x + 13
400
-3x-11>=-20
What is
x<=3
?
400
A mathematical phrase that contains operations, numbers, and or variables.
What is an expression?
400
The sum of the items in a set of data divided by the number of items in the set (also known as the average)
What is the mean?
500
box containing white, milk and plain chocolates in the ratio white : milk : plain 12 : 7 : 2 There are more than 50 chocolates in the box. Find the smallest possible number of milk chocolates in the box
21
500
Algrrbra and Catculus are running a sale on Cat Food:
Algrrbra: $9 for 30 cans of cat food
Catculus: $8 for 25 cans of cat food.
Assuming the cans of cat food are the same, which store has the better deal on cat food?
Algrrbra: $9.00/30 = 0.30 per can
Catculus: $8.00/25 = 0.32 per can
Algrrbra has the better deal!
500
You have a coupon at DTLR for 20% off anything in the store. You find a Supreme hoodie you can't live without for originally $170. Then when you get to the register you find out that they will take an additional $10 off after your coupon. What is the sale price of the hoodie before tax?
What is $126?
500
Factor (opposite of distribute) the expression 4x - 16
4(x - 4)
500
6(2x + 4) = 4(4x - 2) ; What value of x makes this equation true?
What is x = 8?
500
A mathematical sentence that shows that two expressions are equivalent.
What is an equation?
500
A number from 0 to 1 (or 0% to 100%) that describes how likely an event is to occur.
What is probability?