Math Focus 7

## CHAPTER 10: PROBABILITY

### Lesson 5: Using Tree Diagrams to Calculate Probability

Use these interactive activities to encourage your child to have fun on the Web while learning about probability.

Goal
Determine probabilities using a tree diagram.

Builds Upon
Student Book pages 448–451

Instructions for Use

On Stage Probability allows your child to solve a problem using a tree diagram and practice interpreting tree diagrams.

Follow the instructions to solve the problem about who will get the parts of Dorothy, the Tin Man, the Scarecrow, and the Lion in the school play. You will use a tree diagram to display possible outcomes for who will play each part. You can then use this tree to answer various probability questions.

Me Too Probability allows your child to solve a problem using a tree diagram and practice interpreting tree diagrams.

Follow the instructions to solve the problem about who is coming to the party. You will use a tree diagram to display possible outcomes for who will come to the party. You can then use this tree to answer various probability questions about the guests.