DefinitionsDefinitions Ratios Ratios FractionsFractionsPercentsPercents

Which is Which is the better the better

deal?deal?

ProportionProportionAnd And

equationsequations

100 100 100100 100100

200 200 200200 200

300 300 300300 300

400 400 400400 400

500 500500 500500 500

What is a ratio?What is a ratio?

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Answer: a part to part comparison

What is a fraction?What is a fraction?

Answer: a part to whole Answer: a part to whole comparisoncomparison

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What is a percent?What is a percent?

Answer: a part to 100 Answer: a part to 100 comparisoncomparison

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What is a rate?What is a rate?

Answer: a Answer: a comparison of two comparison of two different units of different units of measurementsmeasurements

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What is a Unit rate?What is a Unit rate?

Answer: a rate that is Answer: a rate that is being compared to one.being compared to one.

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In Mrs. Ventolo’s In Mrs. Ventolo’s homeroom there homeroom there

are 18 boys and 12 are 18 boys and 12 girls. What is the girls. What is the ratio of girls to ratio of girls to

boys?boys?Answer: 12:18 Answer: 12:18

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In Ms. Fazio’s math In Ms. Fazio’s math class there are 24 class there are 24 boys and 18 girls. boys and 18 girls.

What fraction of the What fraction of the class is boys?class is boys?Answer: 24/42Answer: 24/42

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In Mrs. Ventolo’s In Mrs. Ventolo’s homeroom there are 18 homeroom there are 18 boys and 12 girls. What boys and 12 girls. What percent of the class is percent of the class is

girls?girls?

Answer: 40%Answer: 40%

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Answer: Answer: 61192/21340261192/213402

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What fraction of physicians are females in the 35 – 44 age group?

What percent of What percent of physicians are females physicians are females

in the under 35 age in the under 35 age group?group?

Answer: 37%Answer: 37%Board

Paper: 100 sheets for Paper: 100 sheets for $0.99$0.99

500 sheets for $4.29500 sheets for $4.29

Answer: Answer:

500 sheets for $4.29 500 sheets for $4.29

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Crackers:15 ounces for Crackers:15 ounces for $1.79$1.79

12 ounces for $1.4912 ounces for $1.49

Answer: 15 ounces Answer: 15 ounces for $1.79for $1.79

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Pencils: 4 for $1.25Pencils: 4 for $1.2525 for $5.6925 for $5.69

Answer: 25 for $5.69Answer: 25 for $5.69

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Bagels: 4 for $0.89Bagels: 4 for $0.896 for $1.396 for $1.39

Answer: 4 for $0.89Answer: 4 for $0.89

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Peanuts: 1 pound for Peanuts: 1 pound for $1.29$1.29

12 ounces for $0.9512 ounces for $0.95

Answer: 12 ounces for Answer: 12 ounces for $0.95$0.95

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Three eggs are required to Three eggs are required to make two dozen muffins. make two dozen muffins.

How many eggs are needed How many eggs are needed to make 12 dozen muffins?to make 12 dozen muffins?

Answer: 18 eggsAnswer: 18 eggs

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During a vacation, The During a vacation, The Vasquez family traveled Vasquez family traveled 174 miles in 3 hours on 174 miles in 3 hours on

Monday, and 290 miles in Monday, and 290 miles in 5 hours on Tuesday. Write 5 hours on Tuesday. Write an equation relating miles an equation relating miles

mm traveled to hours traveled to hours hhAnswer:Answer:

M = 58tM = 58tBoard

DAILY DAILY DOUBLE DOUBLE

The Elsie Dairy uses a The Elsie Dairy uses a machine that fills 28 machine that fills 28

cartons of milk an hour. cartons of milk an hour. How many cartons will be How many cartons will be

filled in 6.5 hours?filled in 6.5 hours?Answer:Answer:

182 cartons182 cartons

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Footlocker is having a sale Footlocker is having a sale on sneakers. 3 pairs of on sneakers. 3 pairs of

sneakers will cost $149.50. sneakers will cost $149.50. The sales tax is 4.75%. The sales tax is 4.75%. Write an equation for the Write an equation for the cost cost cc for for nn sneakers with sneakers with

tax.tax.

Answer:Answer:

$49.83$49.83n n + ($49.83+ ($49.83n x n x 0.0475)0.0475)

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An apple orchard fills 28 An apple orchard fills 28 cartons of apple juice an cartons of apple juice an hour. If the machine ran hour. If the machine ran continuously for 10 days, continuously for 10 days,

how many cartons would it how many cartons would it fill?fill?

Answer:Answer:6720 cartons6720 cartons

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