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# Order of Real Numbers

## Subsets of real number system. Simplify numbers before classifying

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.

## Order of Real Numbers

by CK-12 //basic
Learn how to classify, order, and graph real numbers.
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7
• Video

## Square Roots and Real Numbers

by CK-12 //basic
Learn what a rational number is.
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1
• Real World Application

## It's Elementary!

by CK-12 //basic
Learn why the order of numbers is critical for the periodic table.
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0