Chapter Overview One way you can help your student succeed in Chapter 3 is by discussing the lesson goals in the chart below. When a lesson is completed, ask your student the following questions. “What were the goals of the lesson? What new words and formulas did you learn? How can you apply the ideas of the lesson to your life?”
Lesson Title
Lesson Goals
Key Applications
3.1 Solving Two-Step Equations
Solve two-step equations.
• Drum Set • Car Repair • Driving • Rafting • Trains
3.2 Solving Equations Having Like Terms and Parentheses
Solve equations using the distributive property.
• School Spirit • Fishing • Karaoke • Cell Phones
3.3 Solving Equations with Variables on Both Sides
Solve equations with variables on both sides.
• Spanish Club • Shopping • Toll Booth • Pasta Machine
Focus On Algebra
Rewrite literal equations and formulas.
3.4 Solving Inequalities Using Addition or Subtraction
Key Ideas Your student can demonstrate understanding of key concepts by working through the following exercises with you.
Lesson
Exercise Solve the equation. Check your solution.
3.1
(a) 43 13x 22
m 7
(b) 30 46
(c) 21 37 4t
Find the value of x for the given rectangle whose perimeter is 34 units.
3.2
x 5x 1
Solve the equation 57 3y 17 7y. Check your solution.
3.3 Focus On Algebra
Solve 9x 3y 36 for y.
3.4
Solve the inequality 9 ≥ p 12. Graph your solution.
3.5
Solve the inequality 7x > 98. Graph your solution.
3.6
Solve the inequality 5 ≥ 8. Graph and check your solution.
k 4
Home Involvement Activity Directions: Write 10 equations on the lined side of 10 index cards. Write the answers to the equations on the lined side of 10 other index cards. Mix up the cards and lay them out on a table with the lined side facing down. Flip over two cards to match the equation with its answer. When you find all the matches, you win!