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## Add and subtract decimals by lining up the decimal points.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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## Decimal Addition - Overview

by CK-12 //basic
Overview
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by CK-12 //basic
Reviews adding decimals with examples.
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• Video

## Adding and Subtracting Decimals

by CK-12 //basic
Learn how to add and subtract decimals.
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## Addition of Decimals

by CK-12 //basic
Shows how to add decimal numbers with different number of digits.
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## Decimal Addition - Example 1

by CK-12 //basic
Adding decimals from the thousandths place to the tens place
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## Decimal Addition - Example 2

by CK-12 //basic
Adding decimals by inserting place-holding zeros
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## Decimal Addition - Example 3

by CK-12 //basic
Adding decimals in word problems
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