Area of a Circle
What is the area of a circle with a radius of 3 cm?
28.3 cm2
What is the circumference of a circle with a diameter of 5 cm?
15.7 cm
On a map, the distance from Los Angeles to San Diego is 6 cm. The scale is 1 cm = 20 miles. What is the actual distance?
120 miles
Strawberries cost $3.00 per pound. Write an equation that relates the cost of strawberries, c, and the weight per pound, p.
C=3p
$7.75
What is the area of a circle with a radius of 2 cm?
12.6 cm2
What is the circumference of a circle with a diameter of 16 ft?
50.24 ft
Lexie is making a model of the Empire State Building. The scale of the model is 1 inch = 9 feet. The needle at the top is 31.5 feet tall. How big should the needle be on the model?
3.5 inches
Jamie orders T-shirts for her softball team that cost $8.00 each. Write an equation that relates the cost of T-shirts, c, and the number of T-shirts ordered, n.
C=8n
If 12 cupcakes cost $60, how much will 5 cupcakes cost?
$25
What is the area of a circle with a diameter of 24 km?
452.2 km2
What is the circumference of a circle with a radius of 9 ft?
56.52 ft
A scale drawing of an automobile has a scale of 1 inch = 1/2 foot. The actual width of the car is 8 feet. What is the width on the scale drawing?
16 inches
Ms. Ramirez is ordering notebooks for her class. A set of 30 notebooks costs $36. Write an equation that represents the total cost of notebooks, C, and the number of notebooks ordered, b.
C=1.20b
A restaurant's salsa is made with 6 cups of tomato and 2 cups of onion. How many cups of tomato should be combined with 6 cups onion?
18 cups of tomato
Find the area of the shaded region.
121.2 m2
The circumference of a circle is 21.98 m. What is its diameter?
7 m
A model ship is built to a scale of 1 cm : 5 meters. The length of the model is 30 centimeters. What is the length of the actual ship?
150 meters
Marissa is ordering cupcakes for her birthday party. 10 cupcakes cost $15. How much will it cost Marissa to order 8 cupcakes?
$12
T=1.50c
Ally is training to run a marathon. she runs 112 feet in 2 minutes. What is her rate in feet per minute?
56 feet per minute
Find the area of the shaded region.
21.5 ft2
The circumference of a circle is 94.2 in. What is its radius?
15 in
Jose wants to build a model of a 180-meter tall building. He will be using a scale of 1 centimeter to 3 meters. How tall will the model be?
60 centimeters
Calvin bought a pack of 20 pencils. The pack of pencils cost $14. What is the cost per pencil?
$0.70
Create an equivalent ratio by filling in the blank:
55 to 65
11 to ____
13