Factor Label / Dimensional Analysis

Front

What is dimensional analysis?

Back

Dimensional analysis is a mathematical technique used to convert one unit of measurement to another using conversion factors.

Front

What is a conversion factor?

Back

A conversion factor is a ratio that expresses how many of one unit are equal to another unit.

Front

How many inches are in a foot?

Back

12 inches.

Front

If you have 16 quarts, how many gallons do you have?

Back

4 gallons (using the conversion factor 1 gallon = 4 quarts).

Front

How many ounces are in a pound?

Back

16 ounces.

Front

What is the purpose of using dimensional analysis?

Back

To ensure that units are consistent and to facilitate the conversion between different units.

Front

What unit should be in the denominator when converting feet to yards?

Back

Yards.

Front

What unit should be in the numerator when converting yards to feet?

Back

Feet.

Front

If you want to convert 120 inches to feet, what conversion factor would you use?

Back

1 foot = 12 inches.

Front

What is the first step in dimensional analysis?

Back

Identify the units you are converting from and to.