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Equivalent Fractions

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Equivalent Fractions By Mr. Bales Objective By the end of this lesson, you will be able to find equivalent fractions. Standard 4NS1.5 - Students will explain ... – PowerPoint PPT presentation

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Title: Equivalent Fractions


1
Equivalent Fractions
  • By Mr. Bales

2
Objective
  • By the end of this lesson, you will be able to
    find equivalent fractions.
  • Standard 4NS1.5 - Students willexplain
    equivalence of fractions.

3
Warm-Up
  • Using the grid paper on your desk, please cut the
    paper in half and write the fraction that each
    represents.
  • What is the fraction for each part?
  • Now, cut one of those pieces in half again.
  • What is the fraction for each part for these
    pieces?
  • How many fourths equal one half?
  • Now, cut each of the fourths in half.
  • What is the fraction for these?
  • How many eighths equal a half?

4
Introduce
  • Ryan H. has 8 fish in an aquarium. Four fish are
    green. So, Ryan says that 4/8 of the fish are
    green. Could Ryan use another fraction to
    represent 4/8?

5
Equivalent Fractions
  • The fractions models to the left show that 4/8 is
    the same as 1/2.
  • Fractions that name the same number are
    equivalent fractions.

Mrs. Benson!!
6
Find Equivalent Fractions
  • Find three fractions that are equivalent to 4/8.
  • To find equivalent fractions, you can use
    multiplication
  • or division.
  • One Way Multiply
  • 4 x 2 8
  • 8 x 2 16
  • Multiply the numerator
  • and the denominator
  • by the same number, 2.
  • Another Way Divide
  • 4 2 2
  • 8 2 4
  • Divide the numerator and the denominator by the
    same number, 2.

So, 8/16, 2/4, or 1/2 could be used to represent
4/8.
7
Exploring Equivalent Fractions
  • Exploring equivalent fractions!!
  • Now for a game!!

8
Bales Bucks!!
9
Assignment
  • Page 519 - s 11 - 26
  • Get them all correct - No Math Homework
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