3/15 Lesson 6.2.4 Using Algebra in the 5-D Process

1.  Warm-up:  Problem 93 on page 352

Use a 5-D Process Resource Page to guide your thinking

2.  Lesson 6.2.4 Using Algebra in the 5-D Process

• Objective:  I will write algebraic equations to solve real-world problems
• Problems 94 and 95 using Red Light, Green Light
• Clearly define what the variable x represents
• Search for the "key."  The key is the quantity all others depend on.  Make the key your variable
• It may be helpful to do one or two trials (guess and check) before solving the equation
• Check that your final answer makes sense

Homework:  Lesson 6.2.4 R/P all