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Lesson Menu Five-Minute Check (over Lesson 5–8) Main Idea and Vocabulary Example 1:Find Reciprocals Example 2:Find Reciprocals Key Concept: Divide Fractions Example 3:Divide by a Fraction Example 4:Divide by a Fraction Example 5:Divide by a Whole Number

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Main Idea/Vocabulary reciprocal Divide fractions.

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Example 1 Find Reciprocals Find the reciprocal of 7. Answer:

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1.A 2.B 3.C 4.D Example 1 Find the reciprocal of 4. A. B. C.2 D.4

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Example 2 Find Reciprocals Answer:

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1.A 2.B 3.C 4.D Example 2 A. B. C.5 D.7

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KC

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Example 3 Divide by a Fraction Divide 6 and 3 by the GCF, 3. Answer: Multiply numerators. Multiply denominators. 1 2

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1.A 2.B 3.C 4.D Example 3 A. B. C. D.

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Example 4 Simplify. Answer: 30 Divide by a Fraction

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1.A 2.B 3.C 4.D Example 4 A. B. C.3 D.9

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Example 5 Divide by a Whole Number Multiply by the reciprocal. Answer: RACE A relay race is of a mile long. There are 4 runners in the race. What portion of a mile will each runner run? Simplify.

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1.A 2.B 3.C 4.D Example 5 A. B. C. D.1 CRAFTS For a project, Becki needs to cut of a poster board into 5 equal-size pieces. What part of the original poster board is each piece?

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End of the Lesson

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Resources Five-Minute Check (over Lesson 5–8) Image Bank Math Tools Adding and Subtracting Fractions With Like Denominators Multiplying Fractions Common Denominators

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1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 5-8) A. B. C. D.

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1.A 2.B 3.C 4.D Five Minute Check 2 (over Lesson 5-8) A. B. C. D.

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1.A 2.B 3.C 4.D Five Minute Check 3 (over Lesson 5-8) A. B. C. D.

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1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 5-8) A. B. C. D.

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1.A 2.B 3.C 4.D Five Minute Check 5 (over Lesson 5-8) To make a certain type of dress, it takes yards of material. How many yards of material would it take to make a dozen of these dresses? A. B. C. D.

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1.A 2.B 3.C 4.D Five Minute Check 6 (over Lesson 5-8) Jenna walks at a rate of miles per hour. At this rate, how far will she walk in hour? A. B. C. D.

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