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Day 24 : T URN TO next page, begin the warm up

This lesson focuses on solving decimal equations using inverse operations. Students will learn to work backwards to undo each operation step by step. Includes warm-up exercises and practice problems.

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Day 24 : T URN TO next page, begin the warm up

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  1. Day 24: TURN TO next page, begin the warm up • If 10 cubed is 1000, then 1000 is the _____ of ten. • Order these numbers from least to greatest: -2.85, 5/8, -.08, .58 • Simplify: 4x- • What is x? 9x-11=34 • What decimal is the same as Warm up

  2. Homework 16. y=-2 17. x=4 18. x= 4 2/3 19. x=3 20. .45 21. a) 3/43; b) 8/43; c) 26/43 22. 19 feet 23. 24. 17 25. $123.35 26. 16 27. 28. 29. D 30. a) as likely as not b) certain c) impossible • 0 • Start at the origin. Go 2 units left and then 4 units up. Mark the point • B • Student B • 2850 meters • False 7. (3/5)*5=3 8. a) comedy; b) 45 people; c) 30 people 9. Double bar graph 10. I will grade 11. ¾ meters 12. D 13. a) 25x+10y; 50h+5z b) 25x+50h+10y+5z 14. 18 15. <

  3. Glossary • Transformations: operations on geometric figures that alter its position or form. (Real world: used for computer graphics and animation) • Rotation: turn • Reflection: Flip (Think mirror image) • Translations: slide • Dilation: to make larger • Contraction: to make smaller

  4. Warm up Objective I will be able to show transformations on an object using a coordinate plane Notes This Photo by Unknown Author is licensed under CC BY-SA

  5. 3 TABLE OF CONTENTS Date pg. # Lesson 9/7/18 Lesson 21: Solving One-Step Division/Multiplication 9/8/18 Lesson 22:Statisical Graphs 9/9/18 Lesson 23: Solving Two-Step Equations 9/13/18 Lesson 24: Solving Decimal Equations

  6. Warm up Objective I will be able to solve decimal equations with inverse operations. If an equation has two operations, use inverse operations and work backwards to undo each operation one at a time. (Think PEMDAS backwards or SADMEP) First: add or subtraction Second: multiply or divide Method 1 Method 2 8+0.5x=10.5 8+0.5x=10.5 Notes

  7. Notes Warm up Objective Ex. 1: .006a+.02=.2 Examples

  8. Notes Warm up Objective Ex. 2: 0.2m+0.8=1.8 Examples

  9. Notes Warm up Objective Ex. 3: -0.03n-1.2=-1.44 Examples

  10. Notes Warm up Objective Ex. 4: Examples

  11. Complete Lesson Practice a-e on pages 142 • Homework Exit Ticket

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