wednesday, nov. 13, 2013 day b
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Wednesday, Nov. 13, 2013 Day B. - PowerPoint PPT PresentationTRANSCRIPT
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Wednesday, Nov. 13, 2013Day B
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RCMS PledgeAs responsible members of Randolph Community Middle School, we pledge to honor the values we hold most important:
* Respect for ourselves and others * Opportunities for all * Community cmmitment * Knowledge as power
By building our school upon this rock, we will lay the foundation for our success.
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AGENDA Grab your binder & new activator table
please Place your percent project item in your
binder Activator Tonight’s HW (record & put away) Review today’s objective Notes CW: Percent Word Problems T.T.G.
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ActivatorSimplify the following ratios:
in your new activator table
1) 65:1002) 22:803) 5:754) 12:60
Try dividing both number by a common factor: 2,3, 5, etc.
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OBJECTIVE
Given a word problem, WE WILL calculate the percent of a
quantity in groups.
6.RP.3.c
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Percents as RatiosPercent
Per means “for every”Cent means “100”
Therefore, percent means “for every 100”.
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Percents
Per cent = PER HUNDRED
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Percents as RatiosA proportion shows that two ratios in fraction format are
equal.
The proportion below shows that equals
13
26
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Percents as Ratios
Two ratios commonly compared as a proportions
are:
=
This proportion is made up of two equivalent
ratios.
part whol
e
percent 100
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Percents as Ratios
Let’s solve for a missing part by thinking about equivalent
fractions.
What is the missing percent?
=
percent 100
2 25
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Percents as RatiosLet’s solve for another missing
part by thinking about equivalent fractions.
What is the missing part?
=
40100
part
20
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Percents as Ratios
Percent Word ProblemsOdds
Challenge Problems: Evens!!!
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TICKET TO GO
In your agenda…..
Write the following percents as fractions:
1) 89%
2) 42%