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8/14/2019 Lesson 4.5 - Fractions and Decimals
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8/14/2019 Lesson 4.5 - Fractions and Decimals
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Five-Minute Check (over Lesson 44)
Main Idea and Vocabulary
Example 1:Use Mental Math
Example 2:Use Mental MathExample 3:Use Division
Example 4:Use Division
Example 5:Write Fractions as Repeating Decimals
Example 6:Real-World Example: Use a Power of 10
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terminating decimals
repeating decimals
bar notation
Write fractions as terminating or repeatingdecimals and write decimals as fractions.
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Use Mental Math
10
10
Answer: So, .
Think
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8/14/2019 Lesson 4.5 - Fractions and Decimals
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Use Mental Math
Write as a sum.
Answer:
Add.
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1. A
2. B
3. C
4. D
A B C D
0% 0%0%0%
C. 9.2
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Use Division
Method 1 Use paper and pencil.
Divide 1 by 8.
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Use Division
Method 2 Use a calculator.
Answer:
1 8 0.125ENTER=
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1. A
2. B
3. C
4. D
A B C D
0% 0%0%0%
D. 0.4
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Use Division
Method 1 Use paper and pencil.
4
0
100
Answer: So, = 0.04
Divide 1 by 25.
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Write Fractions as Repeating Decimals
Method 1 Use paper and pencil.
Divide 1 by 11.
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Write Fractions as Repeating Decimals
Method 2 Use a calculator.
Answer:
1 11 0.090909ENTER=
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1. A
2. B
3. C
4. D
A B C D
0% 0%0%0%
A.
B.
C.
D.
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Use a Power of 10
CEREAL Jorge read that 0.72 of his favorite cerealwas whole-grain wheat. Find what fraction of hiscereal, in simplest form, is whole-grain wheat.
Answer: So, of the cereal is whole-grain wheat.
The final digit, 2, is in the
hundredths place.
Simplify.
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
EXERCISE Jeanette ran 0.86 of a mile. What fractionof a mile did she run?
A. mi
B.
C.
D.
mi
mi
mi
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End of the Lesson
Homework Pg 199-200,
# 14-36all, 49-57all
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Five-Minute Check (over Lesson 44)
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.ppt8/14/2019 Lesson 4.5 - Fractions and Decimals
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
(over Lesson 4-4)
A.
B.
C.
D.
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
(over Lesson 4-4)
A.
B.
C.
D.
Write in simplest form.
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
(over Lesson 4-4)
A.
B.
C. 11
D. 21
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
(over Lesson 4-4)
A.
B.
C.
D.
Write two fractions that are equivalent to
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
(over Lesson 4-4)
A.
B.
C.
D.
Write two fractions that are equivalent to
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1. A
2. B3. C
4. D
A B C D
0% 0%0%0%
(over Lesson 4-4)
Which fraction is notequivalent to the other
fractions?
A.
B.
C.
D.
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