Name: ___________________

Date:___________________
kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Grade 5 - Mathematics
7.19 Circle Problems

  1. The radius of a circle is half the diameter.
  2. The area of a circle is given by pi x r2. square units.( r is the radius and pi = 3.14)
  3. The perimeter of a circle is the circumference.
  4. The circumference of a circle is given by C = 2 x pi x r units.
Example: The radius of a circle is 5 cm. Find the area.
Area = pi x r2
Area = 3.14 x 5 x 5
Answer: 78.5 sq cm

Directions: Answer the following questions. Also write at least ten examples of your own.

Name: ___________________

Date:___________________

Grade 5 - Mathematics
7.19 Circle Problems

Q 1: The circumference of a circle is 47.1 inches. What is the area of the circle?
176.625 square inches
147.894 square inches
706.5 square inches
70.7 square inches

 Q 2: If the diameter of the circle is 25 cm, what is its radius?
12.5 cm
18
125 cm
1.25 cm

Q 3: Find the circumference of a circle with a diameter of 13 centimeters to the nearest tenth of a centimeter.
42.9
55.1
40.8

 Q 4: A circle has an area of 31,400 square inches. What is the radius?
6.28 inches
1000 inches
10 inches
100 inches

Q 5: A circle has a radius of 3 feet. What is the area of the circle?
28.26 square feet
18.84 square feet
188 square feet
9.32 square feet

 Q 6: If the radius of the circle is 10 cm, what is its diameter?
20 m
20 cm
5 cm

Question 7: This question is available to subscribers only!

 Question 8: This question is available to subscribers only!


Subscription to kwizNET Learning System costs less than $1 per month & offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements

© 2003-2007 kwizNET Learning System LLC. All rights reserved. This material may not be reproduced, displayed, modified or distributed without the express prior written permission of the copyright holder. For permission, contact info@kwizNET.com
For unlimited printable worksheets & more, go to http://www.kwizNET.com.