Comparing and Order Fractions with Unlike Denominators Copyright © 2013 Kelly Mott
Comparing Fractions Part 1: Review Part 2: Lesson Copyright © 2013 Kelly Mott
REVIEW Copyright © 2013 Kelly Mott
FOCUS QUESTION: What symbols do we use when we compare fractions? Copyright © 2013 Kelly Mott
Symbols means ______________________. > < = Copyright © 2013 Kelly Mott
FOCUS QUESTION: How do we compare fractions with different denominators? Copyright © 2013 Kelly Mott
There are two ways to compare fractions with different denominators. Copyright © 2013 Kelly Mott
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
Practice 1: 4 3 8 4 Copyright © 2013 Kelly Mott
Practice 2: 2 1 3 6 Copyright © 2013 Kelly Mott
Another way to compare fractions is to use the butterfly method and cross multiply. 2 3 4 8 Copyright © 2013 Kelly Mott
Practice 1: 2 3 5 10 Copyright © 2013 Kelly Mott
Practice 2: 1 2 3 9 Copyright © 2013 Kelly Mott
How did you do? Copyright © 2013 Kelly Mott
FOCUS QUESTION: How do we find the fraction with the greatest value in a set? Copyright © 2013 Kelly Mott
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
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
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
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
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
FOCUS QUESTION: How do we put fractions in order from greatest to least? Copyright © 2013 Kelly Mott
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
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
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
FOCUS QUESTION: How do we put fractions in order from least to greatest? Copyright © 2013 Kelly Mott
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
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
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
PRACTICE: Word Problems Copyright © 2013 Kelly Mott
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
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
How did you do? Copyright © 2013 Kelly Mott
Copyright © 2013 Kelly Mott