Fractions Grade 5

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FractionsGrade 5
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Lesson Objectives

• 6.B.1.c Identify the greatest common factor
• 6.A.1.c Identify and determine equivalent forms
  of proper fractions
• 3.A.1.a Use technology tools, including software
  and hardware, from a range of teacher-selected
  options to learn a new content or reinforce skills

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Unitedstreaming Video Clip

• There is a great video clip that can be used with
  this lesson. To use it
• Log into Unitedstreaming
• www.unitedstreaming.com
• Do a search for this Movie
• Zany World of Basic Math, The, Module 7 Fraction
  Basics . Standard Deviants
• Then choose this clip
• parts of a fraction

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What is a Fraction?
Zany World of Basic Math, The, Module 7 Fraction
Basics . Standard Deviants. 2001.unitedstreaming.
19 June 2007 lthttp//www.unitedstreaming.com/gt
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Factors

• Numbers that divide
• evenly into another.

• Factors of 24 are
• 1, 2, 3, 4, 6, 8, 12, and 24.
• 1 x 24 2 x 12 3 x 8, 4 x 6

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Greatest Common Factor

• The greatest common factor is the largest
  factor between two numbers.

12 1, 2, 3, 4, 6, 12
18 1, 2, 3, 6, 9, 18
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What is the Greatest Common Factor?
6 1, 2, 3, 6
18 1, 2, 3, 6, 9, 15
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Unitedstreaming Video Clip

• There is a great video clip that can be used with
  this lesson. To use it
• Log into Unitedstreaming
• www.unitedstreaming.com
• Do a search for this Movie
• Zany World of Basic Math, The, Module 7 Fraction
  Basics . Standard Deviants
• Then choose this clip
• reducing fractions

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Simplify Fractions
Zany World of Basic Math, The, Module 7 Fraction
Basics . Standard Deviants. 2001.unitedstreaming.
19 June 2007 lthttp//www.unitedstreaming.com/gt
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How to Find the Simplest Form of a Fraction

• Find the greatest common factor of the
  numerator and the denominator and divide both the
  numerator and the denominator by that number.

12
2
6


18
3
6
11
Simplify or Reduce This Fraction
9
3
3


21
7
3
12
Simplify or Reduce This Fraction
14
2
7


35
5
7
13
Simplify or Reduce This Fraction
3
1
3


12
4
3
14
Simplify or Reduce This Fraction
9
3
3


24
8
3
15
Simplify or Reduce This Fraction
4
1
4


28
7
4
16
Simplify or Reduce This Fraction
15
3
5


20
4
5