Place Values - Subtracting

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Grade Level

• Middle School

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Subject

• Mathematics

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Length of Time

• 45 Minutes To 1 Hour

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Description

• This lesson is about reading the problem and subtracting numbers in certain place values.

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Goals

• Students will learn:
  
  * About place values
  
  * Subtract numbers in specific place values
  
  

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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 a copy.
  
  Then, you will write the following examples on the board so that students will understand what to do.
  
  Examples: Subtract 20 thousand from 38,299 = 18,299
  
  Subtract 100 from the hundreds place value = 38,598 = 38,498
  
  After that, you will pass out the worksheets so they can work independently.
  
  
  Worksheet - Place Values - Subtracting
  
  Directions - Follow the directions for part.
  
  Part One - Subtract twenty thousand from the following numbers.
  
  1. 25,408
  
  2. 36,699
  
  3. 75,353
  
  4. 34,852
  
  5. 44,342
  
  6. 26,321
  
  7. 54,437
  
  8. 95,291
  
  9. 69,252
  
  10. 68,364
  
  Part Two - Subtract 20 in the tens place.
  
  1. 56,941
  
  2. 45,398
  
  3. 32,676
  
  4. 24,751
  
  5. 19,878
  
  6. 89,356
  
  7. 54,463
  
  8. 66,633
  
  9. 36,892
  
  10. 36,287
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

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Grading

• Each one is worth five points for a total of 100 points.
  
  100 to 90 = A
  
  89 to 80 = B
  
  79 to 70 = C
  
  69 to 60 = D
  
  Below 60 = F
  
  

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