Everyday Math Grade 4 – Lesson 7.9 Comparing and Ordering Fractions Copyright © 2012 Kelly Mott

Everyday MathGrade 4 – Lesson 7.9

Comparing and Ordering Fractions

Copyright © 2012 Kelly Mott

Comparing Fractions with Like Denominators


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 ______________________.


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.


Practice 1:

3 2 8 8

4 1 7 7


Practice 2:

3 1 4 4

5 7 9 9


Practice 3:

3 3 3 3

4 6 8 8


Order Fractions with Like Denominators


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.


Ordering GREATEST to LEAST


1. ORDER FROM GREATEST TO LEAST

Problem:

7 1 47 7 7

Answer:

,,


2. ORDER FROM GREATEST TO LEAST

Problem:

5 2 78 8 8

Answer:

,,


Ordering LEAST to GREATEST


1. ORDER FROM LEAST TO GREATEST

Problem:

3 1 56 6 6

Answer:

,,


2. ORDER FROM LEAST TO GREATEST

Problem:

3 5 15 5 5

Answer:

,,


Comparing Fractions with Unlike

Denominators


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


Practice 1:

4 3 8 4


Practice 2:

2 1 3 6


Practice 3:

3 1 8 4


Practice 4:

1 5 3 9


Practice 5:

3 3 8 4


Practice 6:

2 3 5 10


Practice 7:

1 2 3 9


Practice 8:

4 2 6 3


Practice 9:

5 2 6 3


Practice 10:

3 8 5 10


Practice 11:

1 3 3 12


Practice 12:

9 3 15 5


Practice 13:

4 3 10 5


Practice 14:

8 3 14 7


Practice 15:

4 12 9 18


Ordering Fractions with Unlike Denominators


Ordering LEAST to GREATEST


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


Practice 1• Order Least to Greatest:

2

3

3

6

Answer:

4

12

7

12



2

5

8

10

Answer:

5

10

3

5



2

4

7

8

Answer:

6

8

1

4



5

6

1

3

Answer:

2

3

6

6


Ordering GREATEST to LEAST


Practice 1• Order Greatest to Least:

2

3

3

6

Answer:

1

6

1

3



2

3

8

9

Answer:

4

9

1

3



3

8

3

4

Answer:

1

4

5

8



2

10

2

5

Answer:

4

5

9

10



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Everyday Math Grade 4 – Lesson 7.9 Comparing and Ordering Fractions Copyright © 2012 Kelly Mott