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Surf for More Math

Lesson 2 - Communicate About Probability


To encourage students to have fun on the Web while learning about Communicate About Probability, here are some games and interactive activities they can do on their own or in pairs.


Use math language to describe probability.

Builds Upon

Student Book pages 312-313



Instructions for Use

Predictions introduces students to math language to describe predictions.

Have students read and follow the step-by-step questions. Click on the "Let's Practice!" link at the bottom of the Web page to practice making predictions.

Random Samples allows students to understand the steps for making predictions based on probability.Have students read and follow the step-by-step questions.

Stick and Switch lets students participate in probability strategies.

Behind one of the doors is a prize and behind the other two doors are unwanted items. To use Stick and Switch, click on a door to select it. The door reveals what is behind one of the two doors that you didn't choose. You are given the option to stick with the original door or switch to the other door. The results are shown on the scoreboard.

Click on the 'Strategy' button and answer the questions to help understand the probability of winning with each strategy. Click on the 'Multiple Games' button and select a strategy, enter the number of games to play and click the 'Go' button. This will give you the probability of winning using different strategies. Discuss your strategies with a partner using math language.