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1) Write a proportion you could use to solve the following
problem. Be sure to include the units.
16 cookies require 1.5 cups of flour. How many cups of flour
would 20 cookies require?
2) Rewrite the proportion with ONLY the units.
3) Explain how the units in a proportion are essential when
setting up a proportion.
4) What does percent mean?
5) Write 30% as a fraction.
6) What is the denominator of any percent written as a
fraction?
7) Think of percent as part of a whole. What number would
represent the whole?
8) If I have a bowl of apples and 50 out of 120 are red apples,
what is the part and what is the
whole in this situation?
9) Set up a proportion to figure out what percent of the apples
in the previous question are red
and solve.
10) Use the units in the previous problem to create a formula
for working with percents.
11) Use your formula to answer the following question:
150 out of 720 students at Cary Academy have been in the All
About Animals club. What percent of
students, rounded to the nearest whole, have been in the All
About Animals club?
Approaching Percents with ProportionsMonday, December 03,
2012
9:57 AM
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se your ormu a o answer e o ow ng ques on:
150 out of 720 students at Cary Academy have been in the All
About Animals club. What percent of
students, rounded to the nearest whole, have been in the All
About Animals club?
12) Make up a word problem that can be solved with your formula
and apply the formula to your
word problem.
1) Translate each of the following.
Four less than the product of a number and twelve is
eighteen.
Three groups of a number is twelve.
Five more than the product of a number and six is twelve less
than the same number.
2) Now, apply the skill of translating expressions and equations
to working with percents.
Translate each of the following.Eighteen percent of sixty
Thirty percent of one hundred is thirty.
Five percent of twenty is one.
Translate and solve each of the following. Round to the tenths
if necessary.
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73% of the cars on the road are silver. If 425 cars are silver,
how many cars are on the road?
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