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# Significant Figures

## Certain digits in a measurement plus one uncertain digit

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.
• Read

## Significant Figures

by CK-12 //at grade

Provides a definition of significant figures and lists rules for proper designation of values.

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• Video

## Unit Conversions & Significant Figures

by CK-12 //at grade

Shows a quick example of converting from miles to other units in order to introduce the importance of significant figures and how to properly use them.

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• Downloadable Quiz

## Significant Figures Quiz

by CK-12 //at grade

Reviews the rules for determining significant figures.

0
• Practice
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## Significant Figures Practice

by CK-12 //at grade
0
• Post Read

## Significant Figures PostRead

by CK-12 //at grade

To think critically about a concept by generating questions, developing a prediction, providing evidence from the text, and drawing conclusions from the evidence gathered in a Concept Wedge.

0
• Pre Read

## Significant Figures PreRead

by CK-12 //at grade

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

0
• Real World Application

## How Much is in There?

by CK-12 //at grade

Find out the concerns about arsenic contamination of apple juice and FDA regulations.

0
• Real World Application

## Can I Have the Recipe?

by CK-12 //at grade

Covers different units used in cooking and the degree of accuracy in measurements.

0
• Link

## Significant Figures Practice

by CK-12 //at grade

Twenty question quiz on significant figures and measurements.

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