Math Goodies is a free math help portal for students, teachers, and parents.
Buy Math Goodies Software
Free Math
Newsletter
 
 
Interactive Math Goodies Software

Buy Math Goodies Software


Math Goodies on facebook

Math Goodies Blog
Challenge Exercises:
Circumference and Area
Unit 2 > Lesson 5 of 6

Directions: Read each question below. Click once in an ANSWER BOX and type in your answer; then click ENTER. After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is correct or incorrect. To start over, click CLEAR. Use Pi = 3.14 to calculate your answers.

1. A dinner plate has a radius of 6 centimeters. What is the area?
ANSWER BOX: cm2

RESULTS BOX:


2. The distance around the wheel of a truck is 9.42 feet. What is the diameter of the wheel?
ANSWER BOX: ft

RESULTS BOX:


3. A lawn sprinkler sprays water 5 feet in every direction as it rotates. What is the area of the sprinkled lawn?
ANSWER BOX: ft2

RESULTS BOX:


4. What is the circumference of a 12-inch pizza?
ANSWER BOX: in

RESULTS BOX:


5. A dog is tied to a wooden stake in a backyard. His leash is 3 meters long and he runs around in circles pulling the leash as far as it can go. How much area does the dog have to run around in?
ANSWER BOX: m2

RESULTS BOX:


6. The distance around a carousel is 21.98 yards. What is the radius?
ANSWER BOX: yd

RESULTS BOX:


7. A storm is expected to hit 7 miles in every direction from a small town. What is the area that the storm will affect?
ANSWER BOX: mi2

RESULTS BOX:


8. An asteroid hit the earth and created a huge round crater. Scientists measured the distance around the crater as 78.5 miles. What is the diameter of the crater?
ANSWER BOX: mi

RESULTS BOX:


9. A semi-circle shaped rug has a diameter of 2 feet. What is the area of the rug?
ANSWER BOX: ft2

RESULTS BOX:


10. A spinner has 6 sectors, half of which are red and half of which are black. If the radius of the spinner is 3 inches, what is the area of the red sectors?
ANSWER BOX: in2

RESULTS BOX:



Circumference & Area Lessons
Geometry and the Circle
Circumference of a Circle
Area of a Circle
Practice Exercises
Challenge Exercises
Solutions

Related Activities
Circle Crosswords
Circle Solver
Circumference and String
Geometry and a Shoebox
Geometry Worksheet Generator
Pre-Made Worksheets

About Us | Contact Us | Advertise with Us | Facebook | Blog | Recommend This Page




Copyright © 1998-2015 Mrs. Glosser's Math Goodies. All Rights Reserved.

Last Modified 05 Mar 2015