Free Bullpen Probability Lab Worksheet (Grades 6–8)
World Series-season probability with made-up bullpen pitch charts, number cubes and spinners: simple and compound events, complements, experimental vs. theoretical, and predictions.
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What kids practice
- Finding simple probabilities from a bullpen pitch chart
- Using complements to find P(not A)
- Counting sample spaces with lists and tree diagrams
- Finding compound probabilities for independent and dependent events
- Comparing experimental and theoretical probability to make predictions
- 30 problems
- 3 pages
- US Letter PDF
- Ages 11–14
- Answer key on the last page
The answer key is on the last page (page 3), so you can print pages 1–2 for students and keep the key.


