Everyday Math Grade 4 – Lesson 7.9 Comparing and Ordering Fractions Copyright © 2012 Kelly Mo
Dec 27, 2015
Everyday MathGrade 4 – Lesson 7.9
Comparing and Ordering Fractions
Copyright © 2012 Kelly Mott
Comparing Fractions with Like Denominators
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Unit 5: Comparing Fractions
• Comparing factions with the same denominator is similar to comparing whole numbers.
• You want to eat the bigger number!
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Compare Numbers: Symbols
means ______________________.
means ______________________.
means ______________________.
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Unit 5: Compare Fractions• If 2 fractions have the same bottom,
ignore the bottom part of the fraction, and only compare the _______________, or top numbers.
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Practice 1:
3 2 8 8
4 1 7 7
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Practice 2:
3 1 4 4
5 7 9 9
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Practice 3:
3 3 3 3
4 6 8 8
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Order Fractions with Like Denominators
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Unit 5: Order Fractions
• Ordering factions with the same denominator is similar to ordering whole numbers.
• Ignore the bottom (denominator) and order the top part (numerator) of the fractions.
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Ordering GREATEST to LEAST
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1. ORDER FROM GREATEST TO LEAST
Problem:
7 1 47 7 7
Answer:
,,
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2. ORDER FROM GREATEST TO LEAST
Problem:
5 2 78 8 8
Answer:
,,
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Ordering LEAST to GREATEST
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1. ORDER FROM LEAST TO GREATEST
Problem:
3 1 56 6 6
Answer:
,,
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2. ORDER FROM LEAST TO GREATEST
Problem:
3 5 15 5 5
Answer:
,,
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Comparing Fractions with Unlike
Denominators
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Unit 5: Compare Fractions• If fractions do not have the same bottom,
you need to find a common factor and multiply to get the bottoms the same.
2 4
3 8
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Practice 1:
4 3 8 4
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Practice 2:
2 1 3 6
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Practice 3:
3 1 8 4
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Practice 4:
1 5 3 9
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Practice 5:
3 3 8 4
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Practice 6:
2 3 5 10
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Practice 7:
1 2 3 9
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Practice 8:
4 2 6 3
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Practice 9:
5 2 6 3
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Practice 10:
3 8 5 10
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Practice 11:
1 3 3 12
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Practice 12:
9 3 15 5
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Practice 13:
4 3 10 5
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Practice 14:
8 3 14 7
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Practice 15:
4 12 9 18
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Ordering Fractions with Unlike Denominators
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Ordering LEAST to GREATEST
Copyright © 2012 Kelly Mott
Unit 5: Order Fractions• If fractions do not have the same bottom, you need to
find a common factor and multiply to get the bottoms the same before ordering them.
• Order Least to Greatest:
3
4 3
8
Answer:
1
2
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Practice 1• Order Least to Greatest:
2
3
3
6
Answer:
4
12
7
12
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Practice 2• Order Least to Greatest:
2
5
8
10
Answer:
5
10
3
5
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Practice 3• Order Least to Greatest:
2
4
7
8
Answer:
6
8
1
4
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Practice 4• Order Least to Greatest:
5
6
1
3
Answer:
2
3
6
6
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Ordering GREATEST to LEAST
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Practice 1• Order Greatest to Least:
2
3
3
6
Answer:
1
6
1
3
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Practice 2• Order Greatest to Least:
2
3
8
9
Answer:
4
9
1
3
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Practice 3• Order Greatest to Least:
3
8
3
4
Answer:
1
4
5
8
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Practice 4• Order Greatest to Least:
2
10
2
5
Answer:
4
5
9
10
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Copyright © 2012 Kelly Mott