Dividing Fractions and Mixed Numbers
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6TH GRADE ADVANCED/PRE-IB MATH
Dividing Fractions and Mixed Numbers
K C F
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6TH GRADE ADVANCED/PRE-IB MATH
Dividing Fractions and Mixed Numbers
LG 605: STUDENTS WILL BE ABLE TO APPLY AND EXTEND PREVIOUS UNDERSTANDINGS OF
MULTIPLICATION AND DIVISION TO DIVIDE FRACTIONS BY FRACTIONS.
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Review: What does KCF stand for?
KeepChang
e
Flip
Example: 7 ÷
7 x 21
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Think Pair Share: Why does KCF work?
When dividing fractions, you are really multiplying by the reciprocal of the divisor.
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Turn to page 122
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Solve the problem from p. 122 in your spirals
Do you notice any patterns or anything interesting when you solved it?
89÷29=89x92=82=4
The denominators cross cancel when they are the same!!
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Solve in your spirals
I will call on random volunteers to share and justify their answers!
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Speed Practice!!
Take out a piece of paper and put the proper heading in the upper right hand corner.
You have 5 minutes to solve as many even problems as possible from your workbook on pages 37-38.This will be handed in for a classwork grade.
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BRAIN BREAK
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Look at the following problem…
Rally Robin: What should our first step be in solving this problem?
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When dividing mixed numbers…
Change any mixed number to an IMPROPER FRACTION
74÷25
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Rally Coach
= = = =
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HOMEWORK
WB pages 39-40 ODDS due Tuesday (green) or Wednesday (white)