ratiosproportionsconverting decimals, fractions, and percents solving percent problems applying...

52
Chapter 7 Review

Upload: leslie-waters

Post on 26-Dec-2015

226 views

Category:

Documents


3 download

TRANSCRIPT

Page 1: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Chapter 7 Review

Page 2: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Ratios Proportions Converting decimals, fractions,

and percents

Solving percent

problems

Applying percents

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Game Board

Page 3: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Favorite Football Team Number of fans

Indianapolis Colts 32

Kansas City Chiefs 12

Ratios100

What is the ration of Colt fans to Chiefs fans?

Answer

Page 4: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 32:12Ratios

100

Page 5: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Type of pet Number of pets

Dog 12

Cat 10

Hamster 5

Rabbit 8

Ratios 200

What is the ratio of hamsters to dogs?

Answer

Page 6: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 5:12 Ratios

200

Page 7: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Type of balls Number of balls

Soccer 14

Football 16

Softball 12

Tennis 9

Ratios 300

What is the ratio of the footballs to the total number of balls?

Answer

Page 8: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 16:51Ratios 300

Page 9: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

13 26 39 52

8 16 32 40

Ratios 400

Find three equivalent ratios for the ratio 13 to 8

A:

13 26 52 39

8 16 32 24B:

13 14 15 16

8 9 10 11C:

Answer

Page 10: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is BRatios

400

Page 11: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

At a conference there are 144 math teachers and 12 science teachers. What is the ratio of science teachers to math teachers in simplest form?

A) 1:12B) 12:1C) 12:144D) 144:12

Ratios 500

Answer

Page 12: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is ARatios

500

Page 13: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is x?

Proportions 100

34=𝑥16

Answer

Page 14: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 12Proportions

100

Page 15: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

If a 1 inch distance on a map is equal to 25 miles then 6 inches is how many miles?

Proportions 200

Answer

Page 16: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 150 milesProportions

200

Page 17: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

A recipe calls for 8 tablespoons of milk for every 5 cups of sugar. If the baker puts in 135 cups of sugar how many tablespoons of milk

will he need?

Proportions 300

Answer

Page 18: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 216 tablespoonsProportions

300

Page 19: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

According to the teachers study guidelines, how many minutes of science reading should he do if his science class is 90 minutes long?

Proportions 400

Answer

Class Reading Time

Literature 35 minutes for every 50 minutes of class time

Science 20 minutes for every 60 minutes of class time

History 30 minutes for every 55 minutes of class time

Page 20: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 30 minutesProportions

400

Page 21: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Shane’s neighbor pledged $1.25 for every 0.5 miles that Shane swims in the charity swim-a-

thon. If Shane swims 3 miles, how much money will his neighbor donate?

Proportions 500

Answer

Page 22: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is $7.50Proportions

500

Page 23: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Write .47 as a percent

Converting decimals, fractions, and percents100

Answer

Page 24: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 47%Converting decimals, fractions, and percents

100

Page 25: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Convert 3/5 to a percent

Converting decimals, fractions, and percents200

Answer

Page 26: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 60%Converting decimals, fractions, and percents

200

Page 27: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Convert 75% to a fraction in simplest form

Converting decimals, fractions, and percents

300

Answer

Page 28: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 3/4Converting decimals, fractions, and percents

300

Page 29: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Convert 218/189 to a percent

Converting decimals, fractions, and percents

400

Answer

Page 30: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 115%Converting decimals, fractions, and percents

400

Page 31: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Convert 72/75 to a percent and a decimal

Converting decimals, fractions, and percents

500

Answer

Page 32: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is .96 and 96%Converting decimals, fractions, and percents

500

Page 33: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Find 32% of 70 using proportions.

Solving percent problems100

Answer

Page 34: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 22.4Solving percent problems

100

Page 35: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

42% of what number is 87?

Solving percent problems200

Answer

Page 36: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 36.54Solving percent problems

200

Page 37: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Find 175% of 80 using proportions

Solving percent problems300

Answer

Page 38: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 140Solving percent problems

300

Page 39: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Find 1.8% of 460 using decimals.

Solving percent problems400

Answer

Page 40: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 8.28Solving percent problems

400

Page 41: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Set up an equation to solve then answer:

What number is 175% of 70

Solving percent problems500

Answer

Page 42: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 122.5Solving percent problems

500

Page 43: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Sally is a waitress. She waits on a table of 4 whose bill comes to $113.45. If Sally receives a

15% tip, about how much will she receive?

Applying percents100

Answer

Page 44: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is $17.02Applying percents

100

Page 45: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

My sister wants to buy a car. It costs $4,500, the sales tax is 9%. She has $4750, how much is the sales tax and does she have enough money?

Applying percents200

Answer

Page 46: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is $405 and noApplying percents

200

Page 47: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

Trisha wants to buy a ring. The ring costs $55, the sales tax is 7%. What will the cost of the

ring be after tax is added? Round to the nearest cent.

Applying percents300

Answer

Page 48: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is $55.85Applying percents

300

Page 49: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

A cruise ship is promoting its new cruise ship. The normal price of the cruise would cost $875. However, the cruise line is offering a 35% discount. How much will the cruise cost after the discount is applied?

Applying percents400

Answer

Page 50: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is $568.75Applying percents

400

Page 51: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

A jar is full of skittles. There are a total of 580 skittles in the jar and 55% of the skittles are

yellow. How many skittles are yellow and how many are there of the other colors?

Applying percents500

Answer

Page 52: RatiosProportionsConverting decimals, fractions, and percents Solving percent problems Applying percents 100 200 300 400 500

What is 319 yellow skittles and 261 other

colors Applying percents

500