# Elapsed Time

## From start to stop, from beginning to end

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.

## Elapsed Time

Find elapsed time by converting units.
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6
• Video

## Time Differences 1

by CK-12 //basic
Learn to calculate how much time passes.
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2
• Video

## Operations with Time

Explains how to convert from one unit of time to another. It also shows how to add and subtract different units of time.
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1
• Video

## Finding Elapsed Time

by CK-12 //basic
Learn to find elapsed time.
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0
• 3
• Real World Application

## Running Time

Discover how elapsed time calculations can help you train for a marathon.
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• Flashcards

## Elapsed Time

by Ellaine Chou //