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Comparing and Order Fractions with Unlike Denominators
Copyright © 2013 Kelly Mott
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Comparing Fractions Part 1: Review Part 2: Lesson
Copyright © 2013 Kelly Mott
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REVIEW Copyright © 2013 Kelly Mott
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FOCUS QUESTION: What symbols do we use when we compare fractions?
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Symbols means ______________________. > < =
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FOCUS QUESTION: How do we compare fractions with different denominators?
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There are two ways to compare fractions with different denominators.
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If fractions do not have the same denominators, we need to find a common multiple and multiply to get the bottoms the same. 2 3 4 8 Copyright © 2013 Kelly Mott
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Practice 1: Copyright © 2013 Kelly Mott
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Practice 2: Copyright © 2013 Kelly Mott
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Another way to compare fractions is to use the butterfly method and cross multiply.
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Practice 1: Copyright © 2013 Kelly Mott
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Practice 2: Copyright © 2013 Kelly Mott
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How did you do? Copyright © 2013 Kelly Mott
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FOCUS QUESTION: How do we find the fraction with the greatest value in a set?
Copyright © 2013 Kelly Mott
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To find the fraction with the greatest value, you must first make all the fractions have a common denominator. Circle the fraction with the greatest value. 7 2 9 10 5 10 Copyright © 2013 Kelly Mott
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To find the fraction with the greatest value, you must first make all the fractions have a common denominator. Circle the fraction with the greatest value. 3 2 2 8 4 6 Copyright © 2013 Kelly Mott
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To find the fraction with the greatest value, you must first make all the fractions have a common denominator. Circle the fraction with the greatest value. 4 6 7 6 12 10 Copyright © 2013 Kelly Mott
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To find the fraction with the greatest value, you must first make all the fractions have a common denominator. Circle the fraction with the greatest value. 3 4 12 10 5 20 Copyright © 2013 Kelly Mott
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To find the fraction with the greatest value, you must first make all the fractions have a common denominator. Circle the fraction with the greatest value. 4 1 7 6 3 12 Copyright © 2013 Kelly Mott
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FOCUS QUESTION: How do we put fractions in order from greatest to least?
Copyright © 2013 Kelly Mott
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To put fractions in order from greatest to least, find the common denominator. Then list from big to small. Order from Greatest to Least: 2 1 3 5 3 10 Copyright © 2013 Kelly Mott
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To put fractions in order from greatest to least, find the common denominator. Then list from big to small. Order from Greatest to Least: 3 5 1 4 8 2 Copyright © 2013 Kelly Mott
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To put fractions in order from greatest to least, find the common denominator. Then list from big to small. Order from Greatest to Least: 2 2 7 4 3 12 Copyright © 2013 Kelly Mott
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FOCUS QUESTION: How do we put fractions in order from least to greatest?
Copyright © 2013 Kelly Mott
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To put fractions in order from least to greatest, find the common denominator. Then list from small to big. Order from Least to Greatest: 4 1 3 12 3 4 Copyright © 2013 Kelly Mott
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To put fractions in order from least to greatest, find the common denominator. Then list from small to big. Order from Least to Greatest: 4 1 5 12 3 6 Copyright © 2013 Kelly Mott
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To put fractions in order from greatest to least, find the common denominator. Then list from big to small. Least to Greatest: 3 12 5 5 20 10 Copyright © 2013 Kelly Mott
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PRACTICE: Word Problems
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1. Amy’s math notebook weighs ½ pound, her science notebook weighs 7/8 pound, and her history notebook weighs ¾ pound. What are the weights in order from lightest to heaviest? Question: Steps: Solve: Answer in Words: Copyright © 2013 Kelly Mott
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2. Carl has three picture frames
2. Carl has three picture frames. The thicknesses of the frames are 4/5 inch. 3/12 inch, and 5/6 inch. What are the thicknesses in order from least to greatest? Question: Steps: Solve: Answer in Words: Copyright © 2013 Kelly Mott
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How did you do? Copyright © 2013 Kelly Mott
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Copyright © 2013 Kelly Mott
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