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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 MCPS Math //basic
Find sums of decimals by adding vertically.
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by Liz Grunow //basic
Find sums of decimals by adding vertically.
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Add and subtract decimals with and without rounding
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by Rayna Schlossberg //basic
Add and subtract integers, fractions, and decimals of similar and different signs.
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by Alejandra Cantu //basic
Add and subtract integers, fractions, and decimals of similar and different signs.
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by Alejandra Cantu //basic
Add and subtract integers, fractions, and decimals of similar and different signs.
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## The Legend of Dick and Dom (Demicals)

by Kyle Bardman //basic
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## Decimals Activity

by Kyle Bardman //basic
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by Tiffany Kwok //basic
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by Ellaine Chou //basic
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