Transcript Glencoe Mathematics

Five-Minute Check (over Chapter 4)
Main Idea
Key Concept: Rounding to the Nearest Half
Example 1: Round to the Nearest Half
Example 2: Measure to the Nearest Half
Example 3: Use Rounding to Solve a Problem
• Round fractions and mixed numbers.
Round to the Nearest Half
Answer:
A.
B.
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C.
D.
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B
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Measure to the Nearest Half
Find the length of the line segment to the nearest
half inch.
Answer: To the nearest half inch, the line segment is
1 inch.
Find the length of the segment to the nearest half.
A. 1 inch
SMART Response Question
B.
C.
D. 2 inches
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Use Rounding to Solve a
Problem
DECORATING There is a
-foot gap between the
entertainment center and a wall in a family’s living
room. Should the family purchase a 5-foot wide
bookshelf or a
reasoning.
-foot wide bookshelf? Explain your
Use Rounding to Solve a
Problem
COOKING Phyllis has a recipe that calls for
cups
of spaghetti sauce. Should she purchase a 4-cup jar
of spaghetti sauce or a
-cup jar of spaghetti sauce
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for the recipe?
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A. 4-cup jar
B.
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2.
A
B
End of the Lesson
Five-Minute Check (over Chapter 4)
Image Bank
Math Tools
Adding and Subtracting Fractions With Like
Denominators
Multiplying Fractions
Common Denominators
(over Chapter 4)
Find the LCM of 4, 5, and 30.
A. 20
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B. 50
C. 60
D. 120
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(over Chapter 4)
Write
A.
as a mixed number.
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B.
C.
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A
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(over Chapter 4)
Replace ■ with a number so that the fractions
■
and
are equivalent.
A. 30
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B. 12
C. 4
D. 3
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(over Chapter 4)
Replace ■ with a number so that the fractions
A. 13
B. 15
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C. 20
D. 60
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(over Chapter 4)
What is the GCF of 12, 30, and 48?
A. 6
B. 5
C. 3
D. 2
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(over Chapter 4)
Mato walks
mile to school each day. Which is
written as a decimal?
A. 0.06
B. 0.35
C. 0.60
D. 3.5
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