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Lesson 21 Aim: How do we solve a two- step equation and use deductive reasoning to justify the steps?

Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

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Page 1: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

Lesson 21

Aim: How do we solve a two-step equation and use deductive

reasoning to justify the steps?

Page 2: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Problem of the Day

Page 3: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Problem of the Day

Page 4: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Problem of the Day

Page 5: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 6: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 7: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 8: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 9: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 10: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 11: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 12: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 13: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 14: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 15: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 16: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 17: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 18: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 19: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 20: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 21: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 22: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 23: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 24: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 25: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 26: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 27: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 28: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 29: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 30: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 31: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Guided Practice

Page 32: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Independent Practice

Page 33: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Independent Practice

Page 34: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Classwork

Homework

p. 120–121: Examples 1, 2, 3Quick Check 1, 2, 3.p. 121: ex. 1, 2, 23p. 122: Example 4.Quick Check 4p. 121: ex. 24GPS p. 123: ex. 45

p. 122: ex. 6, 12, 20, 21, 24, 25, 31, 32, 34, 35, 39, 43, 47, 51, 57, 60Challenge: p. 124: ex. 65, 66Test Prep: p. 124: ex. 70, 71

Page 35: Lesson 21 Aim: How do we solve a two-step equation and use deductive reasoning to justify the steps?

How do we solve a two-step equation and use deductive reasoning to justify the steps?

Lesson 21 Quiz