Figure This Math Challenges: Averages

Example Web Site and/or Technical Equipment Required

Website: http://www.figurethis.org/index.html

Website Example: http://figurethis.org/challenges/c14/challenge.htm

Tech Product Equipment

Computer(s), Internet access, projector (for class presentation)

Activity Description

The National Council of Teachers of Mathematics sponsors this, Take a Challenge Web site that has 80 problem solving challenges that can be used for algebra and geometry students. The site is also available in Spanish.

For this activity, we will be working on figuring averages.

Preparation

1. Go to the Example Web Site (above).
2. Work through the problem, exploring the features at the bottom of the page including:
   • Getting Started
   • Try These
   • Answer
3. Print copies of Example Document - Figuring Averages and a single copy of the Answer Key.

How-To

1. Review with the class the steps in solving averages problems.
2. Review any skills needed.
3. Visit the site and show the problem.
4. Hand out the worksheet on Figuring Averages. Use the problem as the basis for discussion as a whole class, or in small groups or pairs.
5. Have students work on the other problems. Gather students together and check answers as a class.
6. Remind students they can access the site at home, maybe as a family project.

Teacher Tips

If you want a printed copy of the challenges/problems, follow the link at the bottom labeled Printing the Challenges .

More Ways

• Go through the Teacher Corner  materials and assign "family homework."
• Show your students the Family Corner  area that has tips on how they can help their children in school, especially in the area of math.

Documents

• Figuring Averages ANSWER Key
• Figuring Averages

Select subjects and subcategories

Math

• Algebra
• Consumer Math
• Geometry