e-Activity: Dimensional Analysis Practice I

The skill set of converting from one unit to another unit, using a conversion factor, is called ______.

• Calculating with the reciprocal

• Dimensional Analysis

• Metric Conversion

• The Identity Property of Multiplication

To perform the skill of converting from one unit to another unit, you must use a(n) _____ , which is a fraction that always equals 1.

• Reciprocal

• Improper Fraction

• Conversion factor

• Derived Unit

The relationship between 2 quantities that are equal, expressed in different units, ie. $1.00 = 10 dimes, can yield ___ fractions equal to 1.

• 2

• 1

• 4

• 3

What are the conversion factors derived from the relationship, 1 hour = 60 minutes? The conversion factors are _____.

• 60 minutes / 1 hour

• 60 minutes = 1 hour

• 1 hour / 60 minutes

• Both, 1 hour / 60 minutes and 60 minutes / 1 hour

To determine which conversion factor to use when solving a conversion problem using dimensional analysis, select the one with the unit you are converting to in the _____, (part of the fraction).

What is the appropriate conversion factor to use when converting from 250 grams to kilogram units? The appropriate conversion factor is ______.

If the denominator of the conversion factor has the same unit as the quantity you are converting from, you are then able to ______ the unit(s) during the multiplication process.

• cancel out

• use the reciprocal

• divide

• square

What is the appropriate conversion factor to use when converting from 17 decimeters to meter units? The appropriate conversion factor is _____.

How can you express the quantity 55 minutes as a fraction, that has the same value? The expression is _____.

Solve the following conversion problem 20 hectograms = _____ grams, using dimensional analysis. The solution is _____.

• 20 hectograms

• 200 hectograms

• 2,000 grams

• 200 grams