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# Rational Numbers in Applications

## Story problems including fractions

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.

## Rational Numbers in Applications

Solve real-world problems involving the addition and subtraction of fractions and evaluate change.
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7
• PLIX

## Rational Numbers in Applications: Batch of Brownies as Rational Numbers

Rational Numbers in Applications Interactive
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• PLIX

## Axioms for Real Numbers: Pizza with Friends

Rational Numbers in Applications Interactive
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• Video

## Solving Real-World Problems with Addition and Subtraction: A Sample Application

This video demonstrates a sample use of solving real-world problems with addition and subtraction.
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4
• Video