# 2.7: Decimal Subtraction

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**Practice**Decimal Subtraction

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Decimal

In common use, a decimal refers to part of a whole number. The numbers to the left of a decimal point represent whole numbers, and each number to the right of a decimal point represents a fractional part of a power of one-tenth. For instance: The decimal value 1.24 indicates 1 whole unit, 2 tenths, and 4 hundredths (commonly described as 24 hundredths).Decimal point

A decimal point is a period that separates the complete units from the fractional parts in a decimal number.Difference

The result of a subtraction operation is called a difference.Estimate

To estimate is to find an approximate answer that is reasonable or makes sense given the problem.Magnitude

The magnitude of a number is the size of a number without respect to its sign. The number -35.6 has a magnitude of 35.6.Place Value

The value of given a digit in a multi-digit number that is indicated by the place or position of the digit.Rounding

Rounding is reducing the number of non-zero digits in a number while keeping the overall value of the number similar.### Image Attributions

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Find out how to subtract decimal numbers.

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Date Created:

Dec 02, 2015
Last Modified:

Sep 08, 2016
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