Will it rain during the weekend? Pupils become meteorologists for a day as they use the assessment to determine the chance of rain for Saturday and Sunday. Class members interpret the weather statements as they pertain to probabilities and explain why it does not make sense to add the probabilities to arrive at the chance of rain for the weekend.

Concepts

compound probability, probability, conditional probability, theoretical probability, percents, addition rule

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Additional Tags

math

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Instructional Ideas

• Use as an alternative or follow-up assessment to Chance of Survival
• Give the class the diagram and have them calculate the percentages

Classroom Considerations

• Expects class members to have a good conceptual understanding of conditional probability

Pros

• Extension goes beyond a conceptual understanding of probability
• Rubric incorporates the possibility to receive partial credit

Cons

• Answer key has an incorrect diagram for the Sunday display

Common Core

HSS-CP.A.3 HSS-CP.A.5 HSS-CP.B.7 MP1 MP2 MP3