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Surf for More Math

Lesson 4 - Using Tree Diagrams to Calculate Probability


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


Use tree diagrams to determine all possible outcomes.

Builds Upon

Student Book pages 426-429

Instructions for Use

Tree Diagrams lets students read about tree diagrams.


To use Tree Diagrams, read the Web site and practice the questions using a paper and pencil.


Practice Tree Diagrams lets students practice finding a number of outcomes for the questions.

To use Practice Tree Diagrams, read the question and calculate the number of possible outcomes. Click on the 'Click Here' link to check the answer.


Building a Probability Tree lets students to draw a tree diagram.

To use Building a Probability Tree, click inside the box to build the probability tree.