Comparing and Ordering Fractions

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Comparing and Ordering Fractions : 

Comparing and Ordering Fractions Please order these fractions from greatest to least. 2/3 1/8 2/6

Objective : 

Objective Compare and order fractions.

Comparing Two Fractions : 

Comparing Two Fractions 8 9 8 8 ___ 9 8 ___ 9 So, < <

Let’s Practice! : 

Let’s Practice! http://www.xpmath.com/forums/arcade.php?do=play&gameid=8

Finding Fractions on a Number Line : 

Finding Fractions on a Number Line We can use number lines to help us order fractions. Let’s practice!

Finding Fractions on a Number Line : 

Finding Fractions on a Number Line This number line breaks one whole into fourths. Where would ¼ be on the number line? What about 4/4?

Finding Fractions on a Number Line : 

Finding Fractions on a Number Line How many sections does this number line break one whole into? Can you locate where 1/8 would be? Name a fraction in eighths that is between ½ and ¾.

Finding Fractions on a Number Line : 

Finding Fractions on a Number Line What does this number line show? Where would 7/9 be? What fraction is between 1/9 and 2/9?

Finding Fractions on a Number Line : 

Finding Fractions on a Number Line How would you explain this number line using words? Can you find 3/5? Can you mark a fraction larger than 4/5 on the number line?

Finding Fractions on a Number Line : 

Finding Fractions on a Number Line What type of number line is this? Can you order 5/8, ¼, 2/3, and 3/16 on this number line?

Slide 11: 

Which fraction is closest to 3/10? 3/5 1/6 3/15 2/3 Can you explain why?

The Answer! : 

The Answer! 3/10 = 9/30 3/5 = 18/30 1/6 = 5/30 3/15 = 6/30 2/3 = 20/30

Mini-Quiz : 

Mini-Quiz Which fraction is between ¼ and ½ on a number line? 3/5 2/10 9/16 3/8

Ordering Fractions : 

Ordering Fractions Use the LCM to find a common denominator. Find equivalent fractions using the common denominator. List the new fractions from least to greatest. List the original fractions from least to greatest.

Slide 15: 

Order these fractions from least to greatest: 7/9 5/6 2/3 1/2

Slide 16: 

7/9 = 14/18 5/6 = 15/18 2/3 = 12/18 ½ = 9/18 Ordered from least to greatest: 9/18 12/18 14/18 15/18

Slide 17: 

Original fractions ordered from least to greatest: 1/2, 2/3, 7/9, 5/6

Slide 18: 

What fraction is greater than ¾? 7/12 5/8 2/3 7/9

Slide 19: 

Web practice activity! Balloon Pop Fractions

Are You Stuck? : 

Are You Stuck? Find a common denominator Convert to decimals Divide numerator by denominator Draw and use a number line Draw pictures of the fraction

CSM Workouts : 

CSM Workouts Comparing Fractions http://www.commonsensemath.com/school/lessonsoverview/lessons.php?id=32