Vocabulary
What is a variable?
letter or symbol that represents the unknown
P
parenthesis
8x2+3
19
In a classroom, there are 8 boys and 12 girls. Write the ratio of boys to girls
2/3
If 6 apples cost $3.00, what is the cost per apple?
$0.50
What is a coefficient?
The “Copilot” to the variable. It is always right next to the variable and shows how many of those variables there are. REPRESENTS MULTIPLICATION!
E
exponent
10+3x4
22
If you are making a fruit salad with 3 cups of apples, 4 cups of bananas, and 7 cups of grapes. Write a ratio of cups of bananas to total cups of fruit.
A faucet leaks 9 gallons of water in 3 hours. How many gallons does it leak per hour?
3 gallons per hour
What is the a constant?
literally just a number
M
multiplication
6+5x8÷(7+3)
10
The ratio of cats to dogs at a pet store is 5:3. If there are 15 cats, how many dogs are there?
9 dogs
A person reads 120 pages in 4 hours. How many pages do they read per hour?
30 pages per hour
what is a Reciprocal?
Where the numerator and denominator of a fraction get flipped
D
Division
(11+5)÷ (9-5)
4
A recipe calls for 4 cups of flour for every 6 cups of sugar. What is the simplified ratio of flour to sugar?
2/3
A factory produces 4,500 bottles in 5 hours. How many bottles are produced per hour?
900 bottles
What is the unit rate?
“_________ Per 1 ________”
AS
Addition/subtraction
(5²-15)+2x3
16
The ratio of boys to girls in a classroom is 7:5. If there are 35 boys, how many total students are in the class?
25
You buy a 12-pack of soda for $9.60. What is the price per can?
$0.80