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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.
• Video

## Significant Digit Rules - Overview

by CK-12 //basic
Overview
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5
• Video

by CK-12 //basic
Overview
MEMORY METER
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2
• Video

## Multiplication/Division Rules - Overview

by CK-12 //basic
Overview
MEMORY METER
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1
• Video

## Significant Digit Rules - Example 1

by CK-12 //basic
Counting Significant Digits
MEMORY METER
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0
• Video

## Significant Digit Rules - Example 2

by CK-12 //basic
Rounding to appropriate significant digits
MEMORY METER
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0
• Video

## Addition/Subtraction Rules - Example 1

by CK-12 //basic
Rounding to appropriate significant digits
MEMORY METER
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0
• Video

## Multiplication/Division Rules - Example 1

by CK-12 //basic
Rounding to appropriate significant digits
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Mixed Operations - Example 1

by CK-12 //basic
Rounding to appropriate significant digits
MEMORY METER
This indicates how strong in your memory this concept is
0