School Boards
Lesson Title: Probability Lesson 2
School
Date
Grade(s)
Learning Goal (Curriculum Expectations)
- demonstrate, through investigation, an understanding of fairness in a game and relate this to the
occurrence of equally likely outcomes
- predict the frequency of an outcome in a simple probability experiment or game then perform the
experiment, and compare the results with the predictions, using mathematical thinking
Lesson Components
Anticipated Student Responses
Before
Kareem is playing a game using the spinner
How do you know?
below. If the arrow lands on an R, Kareem wins.
How many times should Kareem expect to win
in he spins the arrow 10 times?
During
Please look at the spinner below. Estimate how many times the spinner will land in the shaded
area for 10 spins. Then spin the spinner 10 times and record your actual spins.
How many times did the spinner land on the shaded area? Why do you think the spinner landed
on the shaded area that many times? Explain your thinking.
After (Consolidation)
Choose several students to explain their
thinking.
What was your estimation?
Did the estimation and actual number of spins
match? Why or why not?
How can you predict how many times the
spinner will land on a specific area of the
spinner?
What strategy can help you predict the number
of times a spinner will land on a specific area?
After (Highlights and Summary)
Highlight the key language the students use. Co-create the Success Criteria
- know the language of probability, use information from the spinner to make predictions, find
relationships between the number of spins and area covering the spinner, use fractions to
determine fair share
After (Practice)
EQAO Question: DMP 26, Question 27, 2011
Probability Worksheet
Please look at the spinner below. Estimate how many times will the spinner land in
the shaded area for 10 spins. Then spin the spinner 10 times and record your actual
spins.
Estimate
Actual Spins
How many times did the spinner land on the shaded area? Why do you think the
spinner landed on the shaded area that many times? Explain your thinking.
Name: _______________________________
Probability Worksheet
Please look at the spinner below. Estimate how many times will the spinner land in
the shaded area for 10 spins. Then spin the spinner 10 times and record your actual
spins.
Estimate
Actual Spins
How many times did the spinner land on the shaded area? Why do you think the
spinner landed on the shaded area that many times? Explain your thinking.
Name: _______________________________