Glossary

These are some of the words that we have used in our website.  They are the ones that you may have trouble with.

Conversions - Changing one unit of measurement to another.

Linear - The measuring of lines.

Measurements - Size, amount or extent found by measuring.

Volume - The number of cubic units a number contains.

Metric System - The system of measurement used in more of the world than the standard system is. The main measurement is the "meter". Common measurements - millimeter, centimeter, meter, kilometer.

Standard System - The system of measurement used in America. The main unit is "feet". Common measurements - inches, feet, yards, miles.

Diameter - A straight line starting on the side of a circle, crossing the center point, and going to the other side.

Radius - A straight line going from the center point to the edge of a circle.

Center Point - The center  of a circle.

Circumference - The distance around a circle.

Area - The space within a object.

Perimeter - The measure of the outside of a shape.

Pi - The symbol that stands for the ratio of the circumference of a circle to its diameter. Pi equals about 3.1415927.

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