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Nelson Education > School > Mathematics K-8 > Mathematics 4 > Teacher Centre > Surf for More Math > Chapter 13 Lesson 1

Lesson 1 - Probability Lines

To encourage students to have fun on the Web while learning about Probability Lines, here is an interactive activity they can do on their own or in pairs.


Use a probability line to compare the probability of events.

Builds Upon

Student Book pages 353-359


Instructions for Use

Forecasting the Weather allows students to use probability lines to forecast the weather.

To use Forecasting the Weather, click on any Canadian city on the map. Study the current conditions, forecast and the satellite imagery. Make a list of the next 5 days and describe the probability of the weather and temperature in your area of the country.