Probability Lesson

7th Grade MathMs. WelchMs. Yates

Mr. Jackson

Class Procedures

• Students will be grouped in threes for this lab.

• Make sure that you have a pencil.

• You will be receiving a worksheet on terms for probability.

Worksheet Activity

• Students are to access the following website: http://www.mathgoodies.com/lessons/vol6/intro_probability.html

•  Students are to complete the worksheet using the information from this website.

• Wait for teacher instructions when finished.

Probability Terms Worksheet Part One

• Fill in the correct term with each sentence: Word Bank: Event, Experiment, Outcome, Probability

• ___________ is a situation involving chance or probability that leads to results called outcomes.

• ___________ is the result of a single trial of an experiment.

• ____________ is one or more outcomes of an experiment.

• __________ is the measure of how likely an event is.

Probability Worksheet Part 2

• Fill in the correct term with each sentence: Word Bank: certain, impossible, likely, unlikely

• An event is ______________when it will possibly occur.

• An event is ________________ when it may not occur.

• An event is ________________ when it will definitely occur.

• An event is ________________ when it will never occur.

Worksheet Part One Answers

Word Bank: Event, Experiment, Outcome, Probability

• Experiment is a situation involving chance or probability that leads to results called outcomes.

• Outcome is the result of a single trial of an experiment. • Event is one or more outcomes of an experiment. • Probability is the measure of how likely an event is.

Worksheet Part Two Answers

Word Bank: certain, impossible, likely, unlikely

• An event is likely when it will possibly occur. • An event is unlikely when it may not occur. • An event is certain when it will definitely occur. • An event is impossible when it will never occur.

Double Check Your Answers

• Make sure that you have corrected any questions that you missed.

• If time permits, complete the short quiz at the bottom of the page on the website:

http://www.mathgoodies.com/lessons/vol6/intro_probability.html

Probability Bag Activity

• After teacher distributes probability bags, answer the question that is given on the card inside the bag. Answers will be recorded on the card in the bag using the following terms:

• Word Bank: Certain, Impossible, Likely, Unlikely

Questions and Discussion Time

• What are some examples of probability in today’s society?

• Think of something at your home where you could test probability and explain to the class how you would do it?

• Final thoughts…..

Reference Slide• South Carolina Department of Education, (2006). Mathematics

Academic Standards 2007. Retrieved July 24, 2008, from South Carolina Department of Education Web site: http://ed.sc.gov/agency/offices/cso/standards/math/documents/2007MathematicsStandards.doc

• Glosser, Gisele (1998). Probability - Unit 6. Retrieved July 24, 2008, from Mrs. Glosser's Math Goodies Web site: http://www.mathgoodies.com/lessons/vol6/intro_probability.html  

• Department of Instructional Technology, (2002). ISTE Technology Standards for Students. Retrieved July 24, 2008, from Department of Instructional Technology Web site: http://www.rcsdk12.org/instructtech/TechStudentStandard.htm

• www.docs.google.com