lesson 4.6 - fractions and percents
TRANSCRIPT
-
8/14/2019 Lesson 4.6 - Fractions and Percents
1/23
-
8/14/2019 Lesson 4.6 - Fractions and Percents
2/23
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/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
3/23
ratio
percent
Write fractions as percents and percents asfractions.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
4/23
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
5/23
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.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
6/23
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.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
7/23
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.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
8/23
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.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
9/23
=
Write a Fraction as a Percent
First, find an equivalent fraction with a denominator of100. Then write the fraction as a percent.
Answer: .
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
10/23
1. A
2. B
3. C
4. D
A B C D
0% 0%0%0%
D. 55%
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
11/23
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%
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
12/23
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?
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
13/23
Write 22% as a fraction in simplest form.
Answer:
Write a Percent as a Fraction
Definition of percent
Simplify.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
14/23
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.
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
15/23
End of the Lesson
Homework Pg 204-205,# 10-33, 41, 47-49
http://glencoe.mcgraw-hill.com/sites/0078740460/ -
8/14/2019 Lesson 4.6 - Fractions and Percents
16/23
Five-Minute Check (over Lesson 45)
Image Bank
Math Tools
Percents
Prime Factorization
http://../Glencoe%20Teacher%20Stuff/Course%202/Class%20Power%20Points/09Math_G7/09Math_G7_Image%20Bank.ppthttp://../Glencoe%20Teacher%20Stuff/Course%202/Class%20Power%20Points/09Math_G7/Tools/ToolsInterface.exehttp://../Glencoe%20Teacher%20Stuff/Course%202/Class%20Power%20Points/09Math_G7/M2_06/M2_06_dev_100.exehttp://www.glencoe.com/sec/math/brainpops/00112691/00112691.htmlhttp://glencoe.mcgraw-hill.com/sites/0078740460/http://www.glencoe.com/sec/math/brainpops/00112691/00112691.htmlhttp://../Glencoe%20Teacher%20Stuff/Course%202/Class%20Power%20Points/09Math_G7/M2_06/M2_06_dev_100.exehttp://../Glencoe%20Teacher%20Stuff/Course%202/Class%20Power%20Points/09Math_G7/Tools/ToolsInterface.exehttp://../Glencoe%20Teacher%20Stuff/Course%202/Class%20Power%20Points/09Math_G7/09Math_G7_Image%20Bank.ppt -
8/14/2019 Lesson 4.6 - Fractions and Percents
17/23
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
-
8/14/2019 Lesson 4.6 - Fractions and Percents
18/23
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
-
8/14/2019 Lesson 4.6 - Fractions and Percents
19/23
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
-
8/14/2019 Lesson 4.6 - Fractions and Percents
20/23
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
-
8/14/2019 Lesson 4.6 - Fractions and Percents
21/23
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
-
8/14/2019 Lesson 4.6 - Fractions and Percents
22/23
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.
-
8/14/2019 Lesson 4.6 - Fractions and Percents
23/23