Transcript Lesson 5-7 PowerPoint

(over Lesson 5-6)
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(over Lesson 5-6)
For art class, each student is going to make a piñata using
pounds of paste. The art teacher bought 20 pounds of paste.
Use the equation
to determine the number of
students who can make piñatas.
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25 students
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30 students
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23 students
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20 students
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Main Idea
Key Concept: Divide by Fractions
Example 1: Divide by a Fraction
Example 2: Divide by Mixed Numbers
Example 3: Real-World Example
• Divide fractions and mixed numbers (2.2.8B)
(M7.A.3.2.1).
BrainPOP:
Multiplying and Dividing Fractions
Divide by a Fraction
of
Multiply.
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Divide by Mixed Numbers
Estimate
Divide by Mixed Numbers
Divide out common factors.
Multiply.
The quotient is close to the estimate.
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Answer: The machine will need to be restocked 7 times.
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REVIEW
What is the multiplicative inverse of these:
6
2
1. 5/6
2. 1 ½
5 1
3 3
3. 8
4. 4/3
8
4
Solve each equation.
5. 6 = m/8
6. 1/2x = 8
m  48
x  16
End of the Lesson
Five-Minute Check (over Lesson 5–6)
Image Bank
Math Tools
Multiplying Fractions and Mixed Numbers
Adding and Subtracting Fractions
Multiplying and Dividing Fractions