Order of Operations
7+6×(4+2)÷3
19
Write the expression as an exponent: (multiplication symbol=*)
h*h*h*h*h*h
h6
Convert the decimal 0.6 into a percent.
60%
A car travels 240 miles in 4 hours. What is the car's speed in miles per hour (unit rate)?
60mph
What does PEMDAS stand for?
Parenthesis
Exponents
Multiplication/Division
Adding/Subtracting
8+6×(4+2)−32
35
Write the expression as an exponent: (multiplication symbol=*)
5*5*5*5*5*5*5*5
58
Convert the fraction 3/4 into a decimal
.75
A recipe calls for 3 cups of flour to make 12 muffins. How many cups of flour are needed to make 1 muffin (unit rate)?
.25 cups
Unit Rate
It shows how much of one thing there is for one unit of another thing.
15÷3×(8−4)+23
28
Write the expression as an exponent (multiplication symbol=*) and solve.
7*7*7
73
343
What is 25% of 80.
Remember what does "of" mean!
"of" means to multiply.
20
If a worker earns $120 for 8 hours of work, what is the worker’s hourly wage (unit rate)?
$15
Exponent
It shows how many times the base number is multiplied by itself.
3×(5+2)2−4×3÷2
141
32×4+23
44
Simplify the fraction 18/24 to its lowest terms and convert it into a decimal.
18/24=3/4
.75
A car uses 10 gallons of gas to travel 250 miles. What is the car’s miles per gallon (unit rate)?
25mph
Convert
Change
(3+5)2−4×6÷(2+4)
60
(23+4)2−52
119
A store is offering a 20% discount on a shirt that costs $45. What is the sale price of the shirt?
$36
A store sells 5 pens for $4. How much does 1 pen cost (unit rate)?
$.80
Expression
Written without the equal sign.