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Linear Measurement

 

Length and Distance

 

 

 

Line:

Line as one dimension.

When you put tiny little dots side by side it makes a dash.

.....  .....  .....  .....  ......  .....  _ _ _ _ _ _ _ _ _

 

When you place dashes side by side it makes a line. 

 _ _ _ _ _ _ _ _  ___  ___  ___  ___ ___ ___ ________________

 

 

Line may be straight or may be curved.

________________

 

 

 

Line shows a distance between two points.

 

A---------------------B

 

C______________D

 

If you want to measure distance between to points on paper or in real life there are two major systems people use.

One is traditional or customary system and the other is metric system.

 

For the length or distance traditional system uses:

 

inches, feet, yards, miles, etc

And the metric system uses:

 

millimeters, centimeters, meters, kilometers, etc.

 

 

Table of Linear Measure

 

Traditional System

 

12 inches = 1 foot

3 feet = 1 yard

660 feet = 1 furlong

5280 feet = 1 mile

 

Table of Linear Measure

 

Metric System

 

In Metric system "meter" is the main unit.

 

milli......centi......deci......meter......deca......hecto......kilo.....

 

On the right side:

meter x 10 = decameter

meter x  100 = hectometer

meter x 1000 = kilometer

 

On the left side:

meter 10 = decimeter

meter  100 = centimeter

meter 1000 = millimeter

 

10 millimeter = 1 centimeter

10 centimeter = 1 decimeter

10 decimeter = 1 meter

1000 millimeter = 1 meter

100 centimeter = 1 meter

 

10 meter = 1 decameter

100 meter = 1 hectometer

1000 meter = 1 kilometer

 

1 mile = 1.609 kilometers

1 kilometer = 0.621 miles

 

Mile is longer than Kilometer

 

1 inch = 2.54 centimeters

1 feet = 30.48 centimeters

1 centimeter = 0.394 inches

1 meter = 1.093 yards

1 yard = 0.914 meters

 

Yard is longer than Meter

Inch is longer than Centimeter

 

Conversion between metric and customary systems

 

CUSTOMARY to METRIC
     
From multiply by To get
     
inches 25.4 millimeters
inches 2.54 centimeters
feet 30.48 centimeters
yards 0.91 meters
miles 1.61 kilometers
     
METRIC to CUSTOMARY
     
From multiply by To get
     
millimeters 0.04 inches
centimeters 0.39 inches
meters 3.28 feet
meters 1.09 yards
kilometers 0.62 miles

 



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