Dividing Decimals Answers

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3

Gena and her friends each estimated the quotient of –137.56 divided by –6.12 using compatible numbers. Which shows the best estimate using compatible numbers?

A
Negative 140 divided by negative 7 = 20
Option A
B
Negative 140 divided by 6 = 23.ModifyingAbove 3 with bar
Option B
C
Negative 135 divided by negative 7 = 22.5
Option C
D
Negative 135 divided by negative 5 = 27
Option D
6

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?

A
Negative 21 divided by 4
Option A
B
Negative 21 divided by 5
Option B
C
Negative 20 divided by 4
Option C
D
Negative 20 divided by 5
Option D
7

Which problem can be solved by division of decimals?

A
How much money does Jon need to buy 10.3 gallons of gas that costs $3.79 a gallon?
B
What grade does Maria need on her next test to achieve a total of at least 400 points if she had 4 previous tests that had grades of 75.3, 92.1, 78.6, and 81.0?
C
Helena saved $45.00 toward a dress that costs $78.00. How much more does she need to save?
D
Mica spent $45.50 on 7 indoor baseball sets. How much does it cost for one set?
9

Jo estimated the quotient of –41.71 divided by –6.03 by rounding each to the nearest integer. What is Jo’s error?

Question illustration
A
Jo should have rounded the dividend to –40.
B
Jo should have rounded the divisor to –6.
C
Jo should have divided –7 by –42.
D
Jo should have divided –7 by –7.

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Dividing Decimals Answers — Common Core Math 7…