splash screen. lesson menu five-minute check (over lesson 2–3) main idea and vocabulary key...
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![Page 1: Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–3) Main Idea and Vocabulary Key Concept: Inverse Property of Multiplication Example 1:Find](https://reader035.vdocuments.us/reader035/viewer/2022062500/5697bf841a28abf838c86b0e/html5/thumbnails/1.jpg)
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Five-Minute Check (over Lesson 2–3)
Main Idea and Vocabulary
Key Concept: Inverse Property of Multiplication
Example 1:Find a Multiplicative Inverse
Key Concept: Divide Fractions
Example 2:Divide Fractions and Mixed Numbers
Example 3:Divide Fractions and Mixed Numbers
Example 4:Real-World Example
Example 5:Real-World Example
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• multiplicative inverses
• reciprocals
• Divide positive and negative fractions.
Two numbers with a product of 1
15
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BrainPop:Multiplying and Dividing Fractions
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Find a Multiplicative Inverse
Answer:
![Page 6: Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–3) Main Idea and Vocabulary Key Concept: Inverse Property of Multiplication Example 1:Find](https://reader035.vdocuments.us/reader035/viewer/2022062500/5697bf841a28abf838c86b0e/html5/thumbnails/6.jpg)
1. A
2. B
3. C
4. D0% 0%0%0%
A.
B.
C.
D.
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![Page 8: Splash Screen. Lesson Menu Five-Minute Check (over Lesson 2–3) Main Idea and Vocabulary Key Concept: Inverse Property of Multiplication Example 1:Find](https://reader035.vdocuments.us/reader035/viewer/2022062500/5697bf841a28abf838c86b0e/html5/thumbnails/8.jpg)
Divide Fractions and Mixed Numbers
The fractions have different signs, so the quotient is negative.
Answer:
Multiply by the multiplicative
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1. A
2. B
3. C
4. D0% 0%0%0%
A.
B.
C.
D.
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Divide Fractions and Mixed Numbers
The multiplicative
inverse of
Divide 4 and 8 by their GCF, 4.
Estimate 3 ÷ (–2) = –1.5
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Simplify.
Divide Fractions and Mixed Numbers
Check for Reasonableness
Compare to the estimate. The answer seems reasonable
because –1.5 is close to
Answer:
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1. A
2. B
3. C
4. D0% 0%0%0%
A.
B.
C.
D.
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Divide by common factors.
= 5 Simplify.
Answer: The cinema shows the movie 5 times that day.
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1. A
2. B
3. C
4. D
0% 0%0%0%
A. 4 times
B. 5 times
C. 6 times
D. 7 times
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PAINTING It took the five members of the Johnson
family 10 days to paint the seven rooms of their
house. At this rate, how long will it take the four
members of the Reyes family to complete a similar
task in their house?
If 5 persons each worked days, the project required
person-days of work. Divide this number by
4 persons to find the number of days it will take the Reyes
family to complete their painting.
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Multiply by the multiplicative inverse of 4,
which is .
Simplify.
Answer:
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1. A
2. B
3. C
4. D
0% 0%0%0%
DECORATING Six students spent hours
decorating the school gym for a dance. How long would it take 8 students to decorate the gym in the same way?
A.
B.
C.
D.
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End of the Lesson
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Five-Minute Check (over Lesson 2–3)
Image Bank
Math Tools
Multiplying Fractions
Multiplying and Dividing Fractions
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1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 2-3)
A.
B.
C.
D.
Find Write in simplest form.
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1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 2-3)
A.
B.
C.
D.
Find Write in simplest form.
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1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 2-3)
A.
B.
C.
D.
Find Write in simplest form.
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1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 2-3)
A.
B.
C.
D.
Find Write in simplest form.
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1. A
2. B
3. C
4. D0% 0%0%0%
(over Lesson 2-3)
A.
B.
C.
D.
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1. A
2. B
3. C
4. D0% 0%0%0%
Which of the following is 0.032 written as a fraction in simplest form?
(over Lesson 2-3)
A. 3.2
B.
C.
D.
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