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The Journey Continues

* An hour is what fraction of a day?
* A minute is ______ of an hour?
* A second is _____of a minute?
* Four days is ______ of a week?
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* How many hours is:
* 120 minutes?
* 150 minutes?
* 75 minutes?

* The value of a fraction or piece of a unit may have many names.
* To find another name for a fraction, multiply the numerator and denominator by the same number.
⅛ =
(x2)
2/16
⅛ =
(x3) 3/24
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* The value of a fraction or piece of a unit may have many names.
* To find another name for a fraction, divide the numerator and denominator by the same number.
50/100 = (÷5) 10/20
50/100 = (÷10) 5/10
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* To put fractions in order you need to consider the value of the fraction, not just the name.
* Remember that a fraction is a piece of a unit.
* The denominator tells you how many pieces in the total unit.
* The numerator tells you how many pieces out of the total you are working with.
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* Think about the fraction falling between the values of 0 and 1 on a number line.
0
----------
1
* Would you place 2/16 closer to the 0, 1/2 or 1?
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* Think about the fraction falling between the values of 0 and 1 on a number line.
0
----------
1
* Would you place 1/8 closer to the 0, 1/2 or 1?
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* Think about the fraction falling between the values of 0 and 1 on a number line.
0
----------
1
* Would you place 9/15 closer to the 0, 1/2 or 1?
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* When you compare fractions, a few rules will make the job much easier for you.
* When all the denominators are the same, all the pieces are the same size.
You only need to compare how many pieces each fraction has (numerator).
6/8, 3/8, 5/8, 8/8
3/8, 5/8, 6/8, 8/8
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When you compare fractions, a few rules will make the job much easier for you.
* When all the numerators are the same, there are the same number of pieces for each fraction. Think of the size of the pieces to compare. (Remember, the bigger the number, the smaller the piece!)
2/7, 2/9, 2/5, 2/12
2/12, 2/9, 2/7, 2/5
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* Put the following fractions in order:
2/3, ¼, 1/3, ¾
¼, 1/3, 2/3, 3/4
3/5, 5/10, 9/20, 1/25
1/25, 9/20, 5/10, 3/5
3/7, 1/10, 7/8, 5/7
1/10, 3/7, 5/7, 7/8
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* Put the following fractions in order:
5/9, 2/5, 1/6, 9/10
1/6, 2/5, 5/9, 9/10
4/8, 4/7, 3/5,4/9
4/9, 4/8, 4/7, 3/5
Time to check your homework!
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