Algebra I I Applied 1 INTRODUCTION TO PROBABILITY: SIMPLE EVENTS Objectives: Given the elementary building blocks and vocabulary necessary to understand and compute probability problems, students will solve basic probability problems. Materials: Probability Worksheet #20 pennies dice Anticipatory Set:Students will write down the definitions of "Experiment" "Fair" "Sample Space" "Outcome" and "Tree Diagram" Teacher will perform examples of each of these definitions. o Experiment: flip a coin, roll a die o Fair: flip a coin for fair, flip a two-headed coin for unfairo Sample Space: show all of the possible outcomes for a die o Outcome: roll the die and show that the outcome is . . . a six or whatevero Tree diagram: draw a tree diagram on the board for a die roll; then draw a tree diagram on the board for a coin flip and then a spinning a spinner with 4 options. Procedures:After the definitions are given, teacher will give out the basic formula for probability o P(A)= (Number of ways an event can occur) / (The total number of possible outcomes) Teacher will go through 3 examples: P(Tails on a coin), P(Green Marbles), and P(Multiple of 3 on a die). Pass out coins and dice. Have students flip the penny 50 times and record the results Have students roll a die 50 times and record the results Explain that as you run the experiment more and more times, the more closely the results will mirror that probability. If there is some time left, add up class results to show that the larger the experiment gets, the closer we will get to that 50/50 mark. Closure:After we discuss the results, students will have any remaining class time to work on homework and ask questions. Assessment: Homework will be collected and graded Students will be monitored for participation and comprehension Homework:Worksheet #20, Probability Problems Related Standards/Course Objectives: 12.6 - The student will find theoretical and experimental probabilities of simple and compound events. o NV 5.12.5 - Determine the probability of an event with and without replacement using sample spaces. o NV 5.12.5 - Design, conduct, analyze, and effectively communicate the results of multi-stage probability experiments. 12.5 - The student will distinguish among the various terms and symbols used to describe probability.
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Algebra II Applied 6EXPERIMENTS WITH AND WITHOUT REPLACEMENT
Objectives:
Today students will be receiving instruction on the topics of replacing and not replacing and how it
affects probability.
Materials:
Deck of Cards
Puzzle Worksheet
Puzzle Pieces (cut out and paper clipped)
Probability Worksheet #22
Anticipatory Set:
Review problems on the board.
Procedures:
Teacher will give students definitions on replacing and not replacing in an experiment
I will also break down a deck of cards, so that they know for the test how many of each card, suit, etc.
there are (some of the students were not familiar when the topic came up yesterday).
Formula P(A, B)= P(A)*P(B) and break down
Examples: 2 aces, marbles with and without replacement, dice (no replacement necessary) Students will then color puzzle pieces in 3 different colors; we will then go over the topic of not
replacing in an experiment.
Students will calculate how many puzzle pieces are left whenever they draw one and put it on the
puzzle outline.
Closure:
The Puzzle activity should last for the rest of the hour and will probably not be finished, but as long as
they get a few iterations into it, they should get the basic idea in a visual, tactile format.
Assessment:
Homework will be collected and assessed
Classwork will be collected and assessed
Students will be assessed on their participation and perceived comprehension
Homework:
Probability #22
Related Standards/Course Objectives:
12.5 - The student will distinguish among the various terms and symbols used to describe probability.
12.1 - The student will calculate the number of ways a compound event may occur using the
fundamental counting principles.
o NV 5.12.4 - Apply permutations and combinations to mathematical and practical situations,
including the Fundamental Counting Principle.
12.6 - The student will find theoretical and experimental probabilities of simple and compound events.
o NV 5.12.5 - Determine the probability of an event with and without replacement using samplespaces.
o NV 5.12.5 - Design, conduct, analyze, and effectively communicate the results of multi-stage