# Distance

## The length of the route between two points and it's SI unit of measurement.

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

## Distance = Speed x Time - Overview

by CK-12 //basic
Overview
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• Video

## Find Total Distance - Overview

by CK-12 //basic
Overview
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• Video

## Distance = Speed x Time - Example 1

by CK-12 //basic
Find the distance when objects change speeds
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• Video

## Distance = Speed x Time - Example 2

by CK-12 //basic
Find the distance when objects travel in opposite directions
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• Video

## Distance = Speed x Time - Example 3

by CK-12 //basic
Find the distance when objects travel from the same point and in the same direction
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• Video

## Find Total Distance - Example 1

by CK-12 //basic
Find total distance given total time and two rates
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• Video

## Find Total Distance - Example 2

by CK-12 //basic
Find distance remaining given total time and two rates
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• Video

## Find Total Distance - Example 3

by CK-12 //basic
Find distance given a change in speed
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• Real World Application

## GPS and Einstein

by CK-12 //basic
Learn how GPS works and why Einstein's concept of gravity and the relativity of time must be taken into account for GPS to work.
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• Real World Application