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# Uncertainty in Multiplication and Division

## Round according to the number with the least number of significant figures.

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.

## Uncertainty in Multiplication and Division

Describes the steps to take when dealing with issues of multiplying and dividing values with differing numbers of significant figures.

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• Video

## Multiplying and Dividing with Significant Figures

Provides guided examples where viewers are asked to preserve significant figures in multiplication and division problems.

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## Uncertainty in Multiplication and Division Quiz

Reviews the rules for rounding values obtained by multiplication or division.

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• Practice
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## Uncertainty in Multiplication and Division PrePostRead

To encourage students to generate questions, activate their prior knowledge, and collect information to answer their own questions using a Question and Answer Table.

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• Real World Application

## Rounding Up or Down?

Explains the rules for rounding numbers and how banks round numbers.

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