Remove One
Probability
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Objective
Students will develop winning game strategies based on probable outcomes of events.
Overview of the Lesson
In this lesson, students are given 15 chips and a number line labeled from 2-12. They are
instructed to place their 15 chips on the numbers which they think will represent the sums
when two dice are rolled. The object of the game is to be the first person to remove all of
the chips. A chip is removed if it is on a number that corresponds to the sum rolled. The
teacher keeps a record of the sums that are rolled. The game is analyzed and the concepts
of probability, sample space and game winning strategies are discussed. Students place
chips on their number lines and play the game again. In the video lesson, the number of
winners and near winners increased. Finally, the computer is used to show the results
which a large number of rolls could yield.
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