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3.17: Decimal Addition

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

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).

Rounding

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

Sum

The sum is the result after two or more amounts have been added together.

Vertically

Vertically means written up and down in columns.

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Difficulty Level:
At Grade
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Date Created:
Oct 29, 2012
Last Modified:
Sep 04, 2016
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MAT.ARI.210.L.1