## CHAPTER 1: NUMBER RELATIONSHIPS

**Lesson 6: The Pythagorean Theorem **

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

**Goal**

Model, explain and apply the Pythagorean theorem.

**Builds Upon**

Student Book pages 26–31

**Instructions for Use**

**Pythagorean Explorer** allows your child to use the Pythagorean Theorem in different ways to solve the length of a triangle.

Calculate the length of one side of the given right triangle by using the Pythagorean Theorem. Click “Check Answer” to check your answers.

**Using the Pythagorean Theorem** allows your child to practice using the Pythagorean Theorem to solve problems.

Now that you know how the Pythagorean theorem works (a2 + b2 = c2), you can use it to solve all kinds of problems. Try the Pythagorean theorem with either “baseball” or “ladder” problems.