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Probability of an Event




 


Videos and lessons to help Grade 7 students understand that the probability of a chance event is a number between 0 and 1 that expresses the likelihood of the event occurring. Larger numbers indicate greater likelihood. A probability near 0 indicates an unlikely event, a probability around 1/2 indicates an event that is neither unlikely nor likely, and a probability near 1 indicates a likely event.

Common Core: 7.SP.5


Suggested Learning Targets


  • I can classify the outcome of any single event as impossible, unlikely, likely, or certain
  • I can explain that probability is expressed as a number between zero and one.
  • I can explain that numbers closer to one mean that the event has greater probability of happening.
  • I can explain that numbers closer to zero mean that the event is less likely to happen.
  • I can explain that numbers closer to 0.5 mean that the event has an equal likelihood of happening.


Related Topics:
Common Core for Grade 7

Common Core for Mathematics

More Math Lessons for Grade 7

Understanding the probability of chance events: Lesson 1 of 3 (Common Core Standard 7.SP.5)
In this lesson you will learn how to calculate the probability of an event by creating a ratio.


Understanding the probability of chance events: Lesson 2 of 3 (Common Core Standard 7.SP.5)
In this lesson you will learn how to describe the probability of an event by using a number line.





Understanding the probability of chance events: Lesson 3 of 3 (Common Core Standard 7.SP.5)
In this lesson you will learn how to calculate the probability of an event by making a sum of 1.


Probability Scales
How to do probability scales. From 0 to 1. Impossible, unlikely, even, likely, certain.



 

Probability and Chance
How to determine the probability of an event.


Introduction to Probability
This lesson explains how to determine probability in simple experiments.




Probability of Single Events
How to determine the probability of single events and express it as a ratio.


Probability of Single Events.



 

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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