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An Explorer lesson plan. Download a Claris Works or Acrobat file from the Explorer site. Also information on grades, availability, description, curriculum, process skills, author, and publisher.

Author:Laura Jewell

Grade Level:5-8

Description:This activity allows students to have fun while at the same time practicing their skill at fraction/decimal conversion and knowledge of percentages. Students take turns tossing a ball into a wastebasket, while all other students keep track of how many shots are made.

Resources/Materials:

- Tennis or nerf ball
- Wastebasket, Index cards numbered 1-20
- Paper and pencils for other students

Activities/Procedures:

- Draw or tape a line to the floor at a distance from the wastebasket.

- Choose a student to draw a card. This is the number of shots he/she will take.

- The student shoots the ball at the wastebasket while the other students are keeping track of the number of shots made. They write this as a fraction, i.e. the number of shots made over total shots taken.

- Students then convert this fraction to a decimal and the decimal to a percentage.

- Another student draws a card and shoots. Continue in this way until all cards are used.

- Compare all the scores to decide who had the best percentage. Did some students have advantages over others? What is an easy way to improve ones' percentage?

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