|True or False?|
I. Probability Topics:
programs from prekindergarten through grade 12 should enable all
Assumed Prior Experience With:
& Technology Needed:
lab set up such that:
1. Each computer has Microsoft Excel.
Preferably a computer monitor large enough for the entire class to see the
"True or False?" excel file.
"True or False?" and "Guess what?" handouts for each student.
Pass out a
"True or False?" handout
to each student.
by opening up the "True or False?" excel file
on the classroom monitor.
Explain the scenario detailed at the beginning of the handout in
detail. Demonstrate what
happens when you press F9. Demonstrate
how to drag the next ten "answers" in the simulation into view.
student open up the "True or False?" excel file at their own
4. Let them begin to work through the handout, comparing as often as necessary with each other.
continuously, paying close attention to answers on the worksheet so that
misconceptions can be identified early on.
everyone has worked through the handout, display the first spreadsheet in
the excel file on the classroom monitor. Have students generalize aloud
what they have learned about the effect of sample space.
Use the computer to demonstrate their generalizations for everyone
else. Make sure to show a
case where the "answers" to the first 10 questions are very skewed,
but for the overall total of all 100 questions, the balance of "true'
questions and "false" questions is very close to 50-50%.
the second spreadsheet, "Guess What?" on the classroom monitor.
Follow the same approach as described in step 6.
Lead students to the conclusion that there is more variability in