Unit 1 – Factors and Fractions Dividing Fractions.
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Transcript of Unit 1 – Factors and Fractions Dividing Fractions.
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Unit 1 – Factors and Unit 1 – Factors and FractionsFractionsDividing FractionsDividing Fractions
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You Desk Needs to have: Do Now Packet Homework
Homework facing up
When done, place your Do Now on the blue x and read a DEAR book
6 Minutes of Silence to Get Ready for our Day!!!
NOISE METER: SILENT
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ObjectiveObjective
Scholars Will Be Able To… divide fractions Scholars Will Be Able To… divide fractions using the KFC method using the KFC method
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Convert Whole Convert Whole Numbers to Numbers to Fractions Fractions
SHAPESHAPE:: Write the ___________ number as a Write the ___________ number as a fraction (over 1)fraction (over 1)
9 12 9 12 49 49
whole
1 1 1
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Reciprocal Reciprocal
The reciprocal is the multiplicative inverse of The reciprocal is the multiplicative inverse of a number. a number.
is is is is 6 is 6 is
7 4
2 9 1 6
1
Essentially, the
reciprocal is when I flip my
fraction
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Method for Dividing Method for Dividing FractionsFractions
1.1. Keep : Keep : Keep the first Keep the first fraction fraction the samethe same
2.2. FlipFlip: : Flip the second fractionFlip the second fraction
3.3. Change: Change: Change the operation to Change the operation to multiplicationmultiplication
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Example 1Example 1
Keep
1
8
4
1
4
8
Flip
x =
Change
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Example 2Example 2
Keep
9
10
Flip
20
2
Change
x =
180 20
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Example 3Example 3
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GP: DrillGP: Drill
Write the reciprocal of each number Write the reciprocal of each number
1
4
4
3
6
5
3
2
5
1
1
9
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GP 1GP 1
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GP 2GP 2
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GP 3GP 3
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Independent Practice: 1. The noise meter is on silent.
2. Be sure to CHECK YOUR WORK.
3. Read silently if you finish early.