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Identify and apply number properties in integer operations
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Use and apply number properties with fraction operations
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Use number properties in decimal operations
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
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