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# Probability (Grade 8)

Intro to Grade 8 Probability Unit
by

## Brynne Katsof

on 19 June 2018

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#### Transcript of Probability (Grade 8)

Dice Experiment
-What number is likely to appear most often when rolling three dice?

Remember to use your math vocabulary to justify your answer.
Minds ON
ACTION!
Consolidation
What is the Probability of rolling a 6?
How might the probability change if we add more dice?
Discuss the different
sums you can get
when two dice are rolled.
You and your partner are going to roll the dice 50 times. Before you begin, you need to pick the number you think is most likely to appear.
1. Are there any numbers that appear more often?
2. Calculate the experimental probability of each number.
3. Share your results with another group. Did they have similar results to yours? Why, or why not?
4. We’re going to play again. Would you like to change your number? Explain your decision... using MATH to justify your answer.
5. Calculate the theoretical probability of all the possible sums when two dice are rolled.
6. THINK ABOUT IT: Would the probability change if we played
with a different number of dice?
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
The game is simple, each person takes a turn rolling two dice. Use the chart to keep a tally of how many times each number is rolled. The number that is rolled the most WINS!
Homework Question
Full transcript