NCTM Data Analysis and Probability Standard for Grades 3–5

Understand and apply basic concepts of probability
• predict the probability of outcomes of simple experiments and test the predictions;

Step 1

Read this introduction that explains probability.

Step 2

Ready to try an experiment with probability?

1. Go to the Virtual Library of Math Manipulatives.
2. Choose 6 colors.
3. Predict how many times the spinner will land on each color.
4. Click on Record Results.
5. Type in 100 spins.
6. Click on Spin. Record your results in the Spin Experiment spreadsheet.
7. What does the graph tell you about the likelihood of the spinner landing on each color?
8. Type in 500 spins.
9. Click on Spin.
10. Graph the results.
11. What does the graph tell you about the likelihood of the spinner landing on each color?
12. How did the two experiments compare?

 

Updated December 11, 2008
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