1. In a comparison taste test of two drinks, 780 students

preferred Berry Blast. Only 220 students preferred Melon Splash.

Complete each statement.

ACE #1 page 10

1. In a comparison taste test of two drinks, 780 students preferred Berry Blast. Only 220

students preferred Melon Splash. Complete each statement.

• There were more people who preferred Berry

Blast.

• In the taste test, % of the people preferred

Berry Blast.

• People who preferred Berry Blast outnumbered

those who preferred Melon Splash by ratio of

to .

100

78

1000

780

total

BlastBerry

whole

part percent

Homework Problem 1.1

560

78

39 11

Difference 780 -220 =

22

78

220

780

Splash Melon

BlastBerry

part

part Ratio

2. In a comparison taste test of new ice creams invented at Moo

University, 750 freshmen preferred Cranberry Bog ice cream while

1,250 freshmen preferred Coconut Orange ice cream.

ACE #2 page 10

2. In a comparison taste test of new ice creams invented at Moo University, 750 freshmen

preferred Cranberry Bog ice cream while 1,250 freshmen preferred Coconut Orange ice cream.

Complete each statement.

• The fraction of who preferred Cranberry Bog is

.

• The percent of freshmen who preferred Coconut

Orange

is .

• Freshmen who preferred Coconut Orange

outnumbered those who preferred Cranberry Bog by

ratio of to .

divide2000

1250

freshmen all

OrangeCoc

whole

part percent

3/8

62.5%

5 3

200

75

2000

750

freshmen all

Bog Cran

whole

part fraction

75

125

750

1250

Bog Cran

OrangeCoc

part

part Ratio

Below are the results from the soda taste test for Mr. Myers’ classes.

The ratio of students that preferred Pepsi to those that preferred Coke was 36 to 16.

Answer the following questions using this data.Show all steps that we used in class!!!!

Decide if the following statements are true.

The ratio of students that preferred Pepsi to those that preferred Coke was 36 to 16.

1. In Mr. Myers’ class, 4/9 of the students prefer coke.

13

4

26

8

52

16

total

coke

whole

partfraction

The ratio of students that preferred Pepsi to those that preferred Coke was 36 to 16.

2. Students prefer Pepsi to Coke by a ratio of 9 to 4.

4

9

8

18

16

36

coke

pepsi

part

part ratio

The ratio of students that preferred Pepsi to those that preferred Coke was 36 to 16.

3. The percent of students that prefer coke is about 31%.

3076.52

16 divide

total

coke

whole

part percent

≈ 31%

Comparing and Scaling

Problem 1.2 -

Targeting an Audience

Students at Neilson Middle School are asked if they prefer watching television

or listening to the radio. Of 150 students, 100 prefer television and 50

prefer radio.

In the table below are the results of a survey in which 150

students were asked if they prefer watching television or

listening to radio.# of students who

preferred TV

# of students who preferred

Radio

100 50

How would you compare student preferences for radio or television?

1. At Neilson Middle School, 1/3 of the students prefer radio to television.

Radio

Total=

50 students

150 students

=13

Divide by 50

Divide by 50

# of students who preferred

TV

# of students who preferred

Radio

100 50

whole

partFraction

2. Students prefer television to radio by a ratio of 2 to 1.

TV

Radio=

100 students

50 students

=21

Divide by 50

Divide by 50

# of students who preferred

TV

# of students who preferred

Radio

100 50

part

partRatio

3. The ratio of students who prefer radio to television is 1 to 2.

Radio

TV=

50 students

100 students=

12

Divide by 50

Divide by 50

# of students who preferred

TV

# of students who preferred

Radio

100 50

part

partRatio

4. The number of students who prefer television is 50 more than the number of students who prefer radio.

# of students who preferred

TV

# of students who preferred

Radio

100 50

100 – 50 = 50

=- Radio TV Difference

Difference comparison

5. The number of students who prefer television is two times the number who prefer radio.

# of students who preferred

TV

# of students who preferred

Radio

100 50

=x 2 Radio TV

50 x 2 = 100

Multiplication Comparison

6. 50% of the students prefer radio to television.

Radio

Total=

50 students

150 students

=

# of students who preferred

TV

# of students who preferred

Radio

100 50

whole

partPercent

%3

133

3

1

C. Compare your answers in problems 4. and 5. Which one is more informative?

Explain your answer.

50 100

# of students who preferred

Radio

# of students who preferred

TV

4. The number of students who prefer television is 50 more

than the number of students who prefer radio.

5. The number of students who prefer television is two times the number who prefer radio.

D. Consider only the accurate statements (#s 1-5)

in question B…

50 100

# of students who preferred

Radio

# of students who preferred

TV

1. Which statement would best convince merchants to place ads on radio? Why?

2. Which statement would best convince merchants to place ads on television? Why?

ACEs #3, 5, 8, 11, 12

Homework 1.2

a. He spent one sixth of his time watching television.Time spent Watching

Television

Total=

6 hours

48 hours=

1 hour

8 hours

Divide by 6

Divide by 6

a. He spent one eighth of his time watching television.Time spent Watching

Television

Total=

6 hours

48 hours=

1 hour

8 hours

Divide by 6

Divide by 6

a. He spent one eighth of his time watching television.

b. The ratio of hours spent watching television to hours spent doing chores or homework is 3 to 1.

Time spent Watching

Television toTime spent doing

Chores and HW

1 hour3 hours to

6 hours 2 hoursto

Divide by 2

c. Recreation, talking on the phone, and watching television took about 33% of his time.

DivideTime spent on

Recreation, Phone, and TV

Total=

16 hours

48 hours≈ 33%

18 + 2.5 + 9.5

e. Sleeping, eating, and “other” activities took up 12 hours more than all other activities combined.

-

Sleeping, eating, and other activities other activities

18 = 12