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# Module 4 lesson 26

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• 1. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 1 April 24, 2014 Problem Set Lesson 25 Answers
• 2. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 2 April 24, 2014   MODULE 4 Expressions and Equaons Topic G: Solving Equaons Lesson 26:  One‐Step Equaons ―Addion and  Subtracon  Student Outcomes § Students solve one‐step equaons by relang an equaon to a diagram.  § Students check to determine if their soluon makes the equaon true.
• 3. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 3 April 24, 2014
• 4. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 4 April 24, 2014 Let's see how to use tape diagrams to calculate soluons to one‐step equaons. a + 2 = 8 8 2
• 5. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 5 April 24, 2014 Classwork   Exercise 1  Solve each equaon.  Use both tape diagrams and algebraic methods for each  problem.  Use substuon to check your answers. a.    b + 9 = 15
• 6. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 6 April 24, 2014 b.    12 = 8 + c
• 7. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 7 April 24, 2014 d ­ 5 = 7 a. Demonstrate how to solve the equaon using tape diagrams. b. Demonstrate how to solve the equaon algebraically.  c. Check your answer. Exercise 2 Given the equaon
• 8. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 8 April 24, 2014 Example 3 Solve each problem and show your work. You may choose which method (tape  diagrams or algebraically) you prefer. Check your answers aer solving each problem. a.  e + 12 = 20
• 9. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 9 April 24, 2014 b.  f ­ 10 = 15
• 10. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 10 April 24, 2014 c.  g ­ 8 = 9
• 11. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 11 April 24, 2014 Closing Please take out your exit ticket for Lesson 26, close your binder, and complete the exit ticket. This will be collected.
• 12. Module 4 Lesson 26 One­Step Equations―Addition and Subtraction.notebook 12 April 24, 2014