Simplifying Fractions

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Grade Level

• Middle School

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Subject

• Mathematics

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Length of Time

• 1 Hour

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Description

• In this lesson, students will learn how to simplify fractions.

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Goals

• Students will learn:
  
  * About simplifying fractions.
  
  

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Materials Needed

• * The worksheet I have included in this lesson
  
  * Pencils and erasers
  
  

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Procedure

• First, you will copy the worksheet so that each student will have one.
  
  Then, you will explain to the students how to simplify fractions.
  
  Example: 2/10 = 1/5 4/6 = 2/3 4/24 = 1/6
  7/8 = 7/8 (Already simplified)
  
  You find a number that you can divide both the top and bottom numbers by. You need to simplify the fractions to the lowest one.
  
  After that, you will pass out the worksheet so that students can work on them independently.
  
  
  
  Worksheet - Simplifying Fractions
  
  Directions: Simplify the following fractions to the lowest fraction. Some of the fractions may be in the simplest form.
  
  1. 5/100 =
  
  2. 75/100 =
  
  3. 2/15 =
  
  4. 3/90 =
  
  5. 65/100 =
  
  6. 8/480 =
  
  7. 40/100 =
  
  8. 80/100 =
  
  9. 9/10 =
  
  10. 25/100 =
  
  11. 6/10 =
  
  12. 8/10 =
  
  13. 3/120 =
  
  14. 45/100 =
  
  15. 5/100 =
  
  16. 4/120 =
  
  17. 3/75 =
  
  18. 55/100 =
  
  19. 6/100 =
  
  20. 9/27 =
  
  
  
  
  Answer Sheet
  
  1. 5/100 = 1/20
  
  2. 75/100 = 15/20 = 3/4
  
  3. 2/15 = Already simplified
  
  4. 3/90 = 1/30
  
  5. 65/100 = 13/20
  
  6. 8/480 = 1/60
  
  7. 40/100 = 2/5
  
  8. 80/100 = 4/5
  
  9. 9/10 = Already simplified
  
  10. 25/100 = 1/4
  
  11. 6/10 = 3/5
  
  12. 8/10 = 4/5
  
  13. 3/120 = 1/40
  
  14. 45/100 = 9/20
  
  15. 5/100 = 1/20
  
  16. 4/120 = 1/30
  
  17. 3/75 = 1/15
  
  18. 55/100 = 11/20
  
  19. 6/100 = 3/50
  
  20. 9/27 = 1/3
  
  

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Grading

• Each problem is worth five points.
  
  100 to 90 = A
  
  89 to 80 = B
  
  79 to 70 = C
  
  69 to 60 = D
  
  Below 60 = F
  
  
  

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