Hershey’s Fractions

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Hersheys Fractions

• By Malinda Torrence

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Standards

• Georgia standards
• M3N5 Students will understand the meaning of
  decimals and common fractions in simple cases and
  apply them in problem-solving situations.
• National standards
• NM-NUM.3-5.1 Understand numbers, ways of
  representing numbers, relationships among
  numbers, and number systems

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Objective

• a.  Understand a decimal (i.e., 0.1) and a common
  fraction (i.e., 1/10) represent parts of a
  whole.
• b.  Understand the fraction a/b represents a
  equal sized parts of a whole that is divided into
  b equal sized parts.
• c.  Understand a one place decimal represents
  tenths, i.e., 0.3 3/10.
• d.  Know and use decimals and common fractions to
  represent the size of parts created by equal
  divisions of a whole.
• e.  Understand the concept of addition and
  subtraction of decimals and common fractions with
  like denominators.
• f.  Model addition and subtraction of decimals
  and common fractions.
• g.  Solve problems involving fractions.

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Word Wall

• fraction factor  
  lowest terms
• whole numerator
  denominator
• half quarter 
  equation 
• reduced improper
  fraction

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Materials

• Fractions assessment quiz
• Hersheys Fraction Book
• Hersheys Bar (one per student)
• Fractions PowerPoint sheet
• Fraction worksheet

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Procedures

• Have students take an assessment quiz
• Read the Hershey's fraction book to the class.
• Go over with class the math vocabulary words.
• Hand every child a Hershey's bar.
• Let them know that the Hershey's bar is 1 whole.
• Have the class open the Hershey's bar.
• Do the PowerPoint sample problems with the
  students letting them use their Hershey's bar.
• Hand out fraction worksheet for them to work on
  in class. (Post assessment)

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PRE-ASSESSMENT QUIZ

• Add, subtract fractions and then convert to
  decimal
• 1. 1 3 2. 3 6 3. 2 3
• 4 4 6 6
  4 9
• 4. 8 - 7 5. 4 5
  6. 9 1
• 9 9 8 8
  9 3

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Chocolate Fraction Bar PowerPoint Sheet

• HOW MANY SQUARES MAKE UP A WHOLE?
  12 1
  
• 12

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SAMPLE PROBLEMS

• HOW MUCH IS THIS? 6/12 or 1/2 or 0.5

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SAMPLE PROBLEMS

• HOW MUCH IS THIS?
  6/12 6/12 12/12 1 or
• 1/2 1/2 2/2 1

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SAMPLE PROBLEMS

• How much are these broken?
• 3/12 1/4 or 0.25

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Fun Fractions Worksheet

• Please complete the following
• 1 __            2 __          3  
  __          1 __ 4    12            4   
  12          4    12            6  12  
• 2__             5 __          1 __           
  2 __ 6  12             6    12          3  
  12            3   12    
• 3 __            4 __           6 __          
  1 __ 6   12            6    12           6  
  12           2   12