1. Comparing and Order Fractions with Unlike Denominators
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2. Comparing Fractions Part 1: Review Part 2: Lesson
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3. REVIEW
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4. FOCUS QUESTION: What symbols do we use when we compare fractions?
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5. Symbols means ______________________. > < =
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6. FOCUS QUESTION: How do we compare fractions with different denominators?
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7. There are two ways to compare fractions with different denominators.
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8. 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
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9. Practice 1:
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10. Practice 2:
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11. Another way to compare fractions is to use the butterfly method and cross multiply.2 3 4 8
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12. Practice 1:
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13. Practice 2:
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14. How did you do?
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15. FOCUS QUESTION: How do we find the fraction with the greatest value in a set?
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16. 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
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17. 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
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18. 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
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19. 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
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20. 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
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21. FOCUS QUESTION: How do we put fractions in order from greatest to least?
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22. 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
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23. 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
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24. 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
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25. FOCUS QUESTION: How do we put fractions in order from least to greatest?
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26. 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
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27. 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
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28. 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
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29. PRACTICE: Word Problems
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30. 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:
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31. 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:
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32. How did you do?
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33. Copyright © 2013 Kelly Mott