Percents
A percent is always out of .....
100
What is the line across a circle going through the center called
What is diameter
A letter used to represent an unknown number.
Packages of pecans cost $4.25 per package. At this rate, what is the cost of the following numbers of packages?
What is the cost of 15 packages of pecans?
$63.75
A percent that is taken off of the total amount
Discount, Markdown, Sale
What is 20% written as a decimal?
0.2
What is the area of a circle with a radius of 4?
50.24
Simplify the expression.
2x + 5x + 4 + 2
7x + 6
A scale drawing of a school bus has a scale of 1/2 inch to 5 feet. If the length of the school bus is 4.5 inches on the scale drawing, what is the actual length of the bus?
45 feet
What is the circumference AND area of a circle with a diameter of 10?
Circumference: 31.4
Area: 78.5
I buy a pair of shoes for $50. If I have to pay an 8% sales tax, how much tax does she pay?
$4 or $54 total
What is the diameter of a circle that has a circumference of 56.52?
18
Solve the equation:
5x - 8 = 22
x = 6
Priya finds that the area of a rectangular school building on a scale drawing is 525 square inches. The actual area of the school is 75,600 square feet.
What is the scale of the drawing?
1 inch to 12 feet
What is the percent increase for this situation? Round to the nearest hundredth:
Original: $171.33
New: $201.59
17.66% increase
I buy a new shirt that originally cost $40 dollars. It is on sale for 20% off. How much do I pay now for the shirt after the discount?
$32
If the area of a circle is 113.04 what is the circumference?
37.68
Solve the inequality:
2x + 6 > 10
x > 2
Andre drew a plan of a courtyard at a scale of 1 to 60. On his drawing, one side of the courtyard is 2.75 inches.
1. What is the actual measurement of that side of the courtyard? Express your answer in inches and then in feet.
165 inches = 13.75 feet
What is the difference between an algebraic expression and an algebraic equation?
Expression: No equal sign; can only be simplified
Equation: Has an equal sign; can be solved
John estimated that he would be $200 on groceries. He actually paid $225. What is the percent error?
11.1%
If the circumference of a circle is 53.38 what is the circles area? Round to nearest hundredth.
226.87
Solve the equation:
4(-2x - 5) = 28
x = -6
92.25 feet per second what is that in miles per hour. Round to nearest tenth.
62.9 mph
Who is Mr. Schaak's favorite Minnesota Twins player?
Brooks Lee