Probability

Summary
This lesson introduces students to probability.

Objectives
• To be able to explain what probabilities are.

• To be able to identify probabilities and express them in terms of fractions.

Suggested Grades
4th Grade
5th Grade
6th Grade

Excerpt
Probability refers to the likelihood of an event occurring or what the chances are that something will happen. When considering whether it is likely that it will rain tomorrow, if there is a fifty fifty chance, then we can express the probability of it raining tomorrow in terms of:

? Fractions: the likelihood of it raining is: ?

? Ratios: 50:50

? Percents: 50%

Continued...