Transcript Glencoe Mathematics

Five-Minute Check (over Lesson 5–9)
Main Idea
Example 1: Divide by a Mixed Number
Example 2: Evaluate Expressions
Example 3: Solve Problems with Mixed Numbers
• Divide mixed numbers.
Divide by a Mixed Number
Write mixed numbers as
improper fractions.
Multiply by the reciprocal.
Divide by the GCFs.
Divide by a Mixed Number
Simplify.
Answer:
Check for Reasonableness
≈2
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SMART Response Question
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Evaluate Expressions
f÷g
Write the mixed number as an
improper fraction.
Multiply by the reciprocal.
Simplify.
Answer:
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SMART Response Question
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D. 6
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Solve Problems with
Mixed Numbers
ADVENTURE RACING A team took
days to
complete 180 miles of an adventure race consisting
of hiking, biking, and river rafting. How many miles
did they average each day?
Estimate 180 ÷ 4 = 45
Write the mixed number as
an improper fraction.
Multiply by the reciprocal.
Solve Problems with
Mixed Numbers
Divide 180 and 15 by the
GCF, 15.
Simplify. Compare to the
estimate.
Answer: So, the team averaged 48 miles each day.
A. 50 miles
B. 60 miles
C. 65 miles
D. 75 miles
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End of the Lesson
Five-Minute Check (over Lesson 5–9)
Image Bank
Math Tools
Adding and Subtracting Fractions With Like
Denominators
Multiplying Fractions
Common Denominators
(over Lesson 5-9)
A. 4
SMART Response Question
B. 7
C. 8
D. 9
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(over Lesson 5-9)
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B.
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(over Lesson 5-9)
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C. 4
D. 9
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(over Lesson 5-9)
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(over Lesson 5-9)
Lila has
of a mile left to walk. If she walks
of a
mile per minute, how many more minutes will she
be walking?
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C.
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(over Lesson 5-9)
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SMART Response Question
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