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There are 104 chemical elements found in the entire universe. How many of those same chemical elements can you find in the tap water in the state of New Jersey? Approximately 98! Makes you think twice before turning on the tap now doesn't it?

# Calculate Probability (Fraction)

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Basic Lesson
Demonstrates calculating probabilities as a fraction. Provides a detailed example.
Standard: MATH 4
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Intermediate Lesson
This lesson focuses deciphering word problems into manageable probabilities.
Standard: MATH 4
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Independent Practice 1
Students practice determining the probability as a fraction with 20 problems. The answers can be found below.
Standard: MATH 4
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Independent Practice 2
Another 20 probability as a fraction problems. The answers can be found below.
Standard: MATH 4
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Homework Worksheet
Reviews all skills in the unit. A great take home sheet. Also provides a practice problem.
Standard: MATH 4
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Calculate Probability (Fraction) Quiz
10 problems that test probability as a fraction skills.
Standard: MATH 4
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Answers for the homework and quiz.
Answers for both lessons and both practice sheets.

What is Probability? How Does It Shape Our Lives?
Experts say that a person has the same chance of winning the lottery as the chance of being struck by lightening!
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Why is calculating the probability of events important in life?
When you calculate the probability of an event you look at chances of getting what you want versus all the possible things that can happen.
View Math Article