Subject: Algebra2
Time: Two class periods
Objectives: Students will determine experimental probability rolling one die.
Students will determine experimental probability rolling a sum using
two dice.
Students will calculate the theoretical probability of rolling a sum using
two dice.
Students will do dice tossing with a calculator.Materials: Two dice per student
Graphing calculator
“Rolling a Die” activity sheet
“Rolling 2 Dice” activity sheet
“Theoretical Probability--Rolling 2 Dice” activity sheet
“Die Tossing with a Calculator” activity sheet
“Pair a Dies and Probability” activity sheet
Procedure:1. Introduce and discuss the experimental probability formula:
P(event) = (number of times the event occurs) / (number of trials)
Example: A player hit the bull’s eye on a circular dartboard 8 out of 50.
P(bull’s eye) = 8/50 = 16%
2. Students do the “Rolling a Die” and “Rolling 2 Dice” activity sheets and determine the experimental probability.
3. Introduce and discuss the theoretical probability formula:
P(A) = (event A outcomes) / (sample space outcomes)
Example: The theoretical probability of rolling odd outcomes with a number
cube is 3/6 = ½ = 50%.4. Students complete the “Theoretical Probability--Rolling 2 Dice” activity sheet.
5. Students work through the “Die Tossing with a Calculator” activity sheet using the TI83 calculators.6. Students work through the “Pair of Dice and Probability” activity sheet using the TI83 calculators.
MaryBeth Weier