### Homework: pages 586-588 even #s

Practice Exercises

Interactive Practice:

- A Math Dictionary for Kids Learn the definition of a circumference and how to calculate its value. Select the letter-link “Cc” and click on the word “Circumference” to view the formula and try an online circumference calculator.
- BrainPOP: Measuring Circles Select the “Measuring Circles” icon on the page to watch an animation and learn about circumference and area of a circle. Take a quiz after watching the movie.
- Circumference of a Circle This page has interactive exercises on calculating the circumference of a circle.
- edHelper: Geometry: Circumference Use this worksheet to practice calculating circumference.
- edHelper: Seventh Grade Math Complete the table on this worksheet and find radii, diameters, and circumferences of circles.
- edHelper: Six Grade Math Find circumference of a circle with given radii or diameter.
- Circumference of a Circle Learn how to find diameter, radius, and circumference of a circle. Scroll down the page for online exercises. NOTE: The site has a link to a forum and includes ads.
- Circles: Diameter, Circumference, Radius, and the Discovery of Pi This lesson plan is designed for seven graders to help students to learn how to find circumference and measure diameter and radius.
- Circumferences, Diameters, and Radii This lesson plan is designed to help students calculate diameter and radii of circles using known circumference.
- Glencoe Mathematics: Geometry: Circles and Circumference Here are five online exercises on finding circumference.
- BBC: Circumference of a Circle Learn the formulas for circumference of a circle and learn how to solve problems involving diameter and radius of a circle. NOTE: The “Talk” link leads to message boards.
- eThemes Resource: Math: Geometry: Perimeter These sites include activities and lesson plans for measuring perimeter. Some sites feature interactive quizzes and games.
- eThemes Resource: Math: Geometry: Pi Day Learn the constant number Pi = 3.14. Find out why it is celebrated on March 14th every year. Discover why this number is considered to be a mysterious and fascinates some mathematicians. Learn how to calculate the number and use it for solving problems and equations. Includes animations, word problems, lesson plans, crafts, trivia, and quizzes.

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