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National Parks Road Trip: Read the Chance Notes

Interpret probabilities from impossible to certain while reviewing forecasts and decisions for a national parks road trip.

Grade 7MathInteractive · Printable

Aligned to7.SP.C.5

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 7
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer

About this worksheet

What students practice

Students interpret probabilities using 0, 1/2, and 1 as likelihood benchmarks.
Students compare probabilities and distinguish likelihood from the size or duration of an outcome.
Students use probability statements to evaluate road-trip planning decisions.

How to use

Have students work independently, then compare how they used the benchmarks 0, 1/2, and 1. Discuss the final explanation as a class.

Curriculum

Common Core standard covered

7.SP.C.5

Understand probability as a number from 0 to 1 showing how likely an event is, from impossible to certain.

Preview

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Name Date

National Parks Road Trip: Read the Chance Notes

Use probabilities to interpret plans, forecasts, and travel decisions.

Read the Forecast Notes

A family is planning a road trip across national parks. Treat the probabilities as planning estimates, not promises.

Select every statement supported by the trip planner.

First Stop: Planning Estimates
Event	Probability
Morning fog	0.34
Parking space available	0.87
Talk held outdoors	0.50

Morning fog is more likely than not.A parking space being available is likely, but not certain.The outdoor talk is equally likely to happen or not happen.Morning fog is impossible because its probability is below 0.5.A parking space being available is more likely than morning fog.

At the next park, the probability of seeing a clear mountain summit is 0.43. Which note should go in the trip planner?

A. A clear summit is possible but less likely than an obscured summit.
B. A clear summit is more likely than an obscured summit.
C. A clear summit and an obscured summit are equally likely.
D. A clear summit is certain because the probability is positive.

The family's final overnight stop will be chosen from these three national parks: Badlands, Wind Cave, and Theodore Roosevelt. No other park can be chosen.

What is the probability that Acadia is chosen as the final overnight stop?

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