Fences and Squares
Define area and perimeter
Area is the space inside the space measured in square units. Perimeter is the distance around a shape in linear units
What is a ratio?
A ratio is a comparison of two numbers that have different labels.
5 4/5 - 1 1/3
4 7/15
Explain why a percent is a ratio.
A percent is a ratio because it compares the percent to 100 (it is "out of 100")
Solve for x
3x - 15 = 24
x = 13
A rectangle has dimensions 25 meters by 11 meters. What is the area and the perimeter of this rectangle
Perimeter : 275 m2
Area: 72 m
Alyssa rides her bike 12 miles per hour. How long will it take her to ride 30 miles?
2.5 hours
1 3/4 + 2 2/5
4 3/20
What percent would 3/8 represent?
37.5% or 38%
(3/8 = 0.375)
Simplify this expression
8 - 32 + 52 - (-9)
33
What is the area of a triangle with a base of 14 feet and a height of 10 feet?
The area is 70 ft2
Bags of chips are on sale 2 for $3.00. How much will it cost Ms. Reilley to buy 9 bags for a school party?
$13.50
2 1/2 * 3 2/3
9 1/6
Earth revolves around the Sun in 365.25 days. Mercury's revolution is about 24% of that. How many days does it take for mercury to revolve around the Sun?
About 88 days
(87.6 days)
92 - 3(4 + 3(-6))
123
Papa Murphy's family size pizza has a diameter of 16 inches. What is the area of this pizza?
200.96 in2
OR 201.06 in2 (using the pi key)
Kwik Trip sells rollerbites 2 for $1.29. How much will Carlos have to pay for 11 rollerbites? Use a proportion to solve.
$7.10
($7.095)
2 2/3
Ms. Krueger's family will be traveling to California this year. They have saved $1750 which is 70% of what they need to pay for the trip. How much will their trip cost?
$2500
Evaluate this expression when
a = 6 and b = -2
3b + a2
The answer is 30
Calculate the circumference of a circle with a radius of 15 inches.
94.2 inches
Mr. Wettstein earned $150 cutting 6 lawns. At this rate, how much will he learn for cutting 9 lawns? Use a proportion to solve.
$225
Five and one-fourth divided by one and one-half
3 1/2
Ms. Thielbar bought a laptop that was orginially $499 but was on sale for 25% off. How much did she pay for the computer?
$374.25
Ashley earns $3 per hour more than her friend Carl. Zach earns $2 less than Carl. Together they earn a total of $31 per hour. Write an equation to help you calculate the money each person earned per hour.
x + 3 + x - 2 + x = 31
x = 10
Carl earns $10
Ashley earns $13 and
Zach earns $8