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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.

by CK-12 //at grade
Discover how to add decimals.
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10

## Add and Subtract Decimals

by CK-12 //at grade
Learn to add and subtract decimals with and without rounding
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3

by CK-12 //at grade
Find out how to add decimal numbers.
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0
• PLIX

## Adding Little Pieces

by CK-12 //at grade
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• 6
• Real World Application

## Check Your Shopping Charges

by CK-12 //at grade
Learn how rounding can help you quickly add prices during a shopping trip.
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0
• Real World Application

## The World's Best Bikers

by CK-12 //at grade
Find out what it takes to win the Tour de France.
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3
• Real World Application

## Guzzling Gasoline

by CK-12 //at grade
Discover where you can find decimals at a gas station.
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0