7 terms

mrdelemeesterTEACHER

Dimensional Analysis

A method of manipulating unit measures algebraically to determine the proper units for a quantity computed.

Ratio

A comparison between two quantities.

Proportion

A statement showing equivalent ratios.

Conversion Factor

A factor which one of the quantities in the ratio has "1" as a factor.

English System

Inches, Feet, Yards, Miles, Ounces, Pounds, Tons, Cups, Pints, Quarts, and Gallons.

Metric System

The decimal measuring system based on the meter, liter, gram, and seconds which are units of length, capacity, mass, and time

Rule for Solving Problems

Write what you have (on the left)

Write what you need (on the right)

Find a Conversion Factor(s)

Cancel units that are in both the numerator and denominator

Perform the math

Draw a circle or box around the final answer

Write what you need (on the right)

Find a Conversion Factor(s)

Cancel units that are in both the numerator and denominator

Perform the math

Draw a circle or box around the final answer