Lesson 4.6 - Fractions and Percents

8/14/2019 Lesson 4.6 - Fractions and Percents

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Five-Minute Check (over Lesson 45)

Main Idea and Vocabulary

Key Concept: Percent

Example 1:Write Ratios as PercentsExample 2:Write Ratios as Percents

Example 3:Write a Fraction as a Percent

Example 4:Write a Fraction as a Percent

Example 5:Write a Percent as a Fraction
http://glencoe.mcgraw-hill.com/sites/0078740460/


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ratio

percent

Write fractions as percents and percents asfractions.


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Write Ratios as Percents

Write the ratio as a percent.Diana scored 63 goals out of 100 attempts.

Answer: Diana scored on 63% of her attempts.


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1. A

2. B

3. C

4. D

A B C D

0% 0%0%0%

B. 34%

Write the ratio as a percent.Alicia sold 34 of the 100 cookies at the bake sale.


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Write Ratios as Percents

Write the ratio as a percent.In a survey, 31.9 out of 100 people preferredcrunchy peanut butter.

Answer: So, 31.9% of the people surveyed preferred

crunchy peanut butter.


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1. A

2. B

3. C

4. D

A B C D

0% 0%0%0%

C. 73.4%

Write the ratio as a percent.73.4 out of 100 people preferred the chicken insteadof the roast beef.


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=

Write a Fraction as a Percent

First, find an equivalent fraction with a denominator of100. Then write the fraction as a percent.

Answer: .


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1. A

2. B

3. C

4. D

A B C D

0% 0%0%0%

D. 55%


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FISHING William caught and released 20 trout onhis fishing trip. Twelve of them were rainbow trout.What percent of the trout he caught were rainbowtrout?

Answer: So, 60% of the trout were rainbow trout.

Write an equivalent fraction with adenominator of 100.

= 60%


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1. A

2. B

3. C

4. D

A B C D

0% 0%0%0%

C. 72%

READING Mitchell read 18 out of 25 chapters of abook during his winter vacation. What percent of thechapters did he read?


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Write 22% as a fraction in simplest form.

Answer:

Write a Percent as a Fraction

Definition of percent

Simplify.


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1. A

2. B

3. C

4. D

A B C D

0% 0%0%0%

Write 84% as a fraction in simplest form.

A.

B.

C.

D.


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End of the Lesson

Homework Pg 204-205,# 10-33, 41, 47-49


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Five-Minute Check (over Lesson 45)

Image Bank

Math Tools

Percents

Prime Factorization
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1. A

2. B3. C

4. D

A B C D

0% 0%0%0%

(over Lesson 4-5)

Write the repeating decimal 1.22222 using bar

notation.

A. 1.2

B. 1.2

C. 0.12

D. 1.2


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1. A

2. B3. C

4. D

A B C D

0% 0%0%0%

(over Lesson 4-5)

Write the repeating decimal 0.15151515 using bar

notation.

A. 15.0

B. 1.5

C. 0.15

D. 0.15


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1. A

2. B3. C

4. D

A B C D

0% 0%0%0%

(over Lesson 4-5)

Use bar notation if the

decimal is a repeating decimal.

A. 1.2

B. 1.4

C. 2.4

D. 2.6


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1. A

2. B3. C

4. D

A B C D

0% 0%0%0%

(over Lesson 4-5)

Use bar notation if the decimal

is a repeating decimal.

A. 0.6

B. 0.652

C. 0.625

D. 0.571


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1. A

2. B3. C

4. D

A B C D

0% 0%0%0%

(over Lesson 4-5)

Use bar notation if the decimal

is a repeating decimal.

A. 0.9

B. 0.1

C. 0.09

D. 0.01


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1. A

2. B3. C

4. D

A B C D

0% 0%0%0%

(over Lesson 4-5)

Write 2.65 as a fraction in simplest form.

A.

B.

C.

D.


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Lesson 4.6 - Fractions and Percents