Introduction to Ratios and Rates

How do you know if two ratios are proportional?

Which word best fits the definition: A ratio that compares two different quantities which have different units.

• ratio

• unit rate

• rate

• constant

_____ are those that can be simplifies or reduced to the same value.

• Rates

• Equivalent ratios

• Mathematicians

• Proportional

A relationship between two variables where their ratios are equivalent is called a ___

Which word best fits the definition:

A comparison of a certain number of units of the first

quantity to one unit of the second quantity.

• Unit rate

• Ratio

• Constant

• Proportional

A ____ is a comparison of two quantities.

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

If you have the ratio of $30 to 5 hours of work, what operation will you use to find a unit rate?

• Addition

• Subtraction

• Multiplication

• Division

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar

• 6 cookies per dollar

• 9 cookies per dollar

• 1/9 dollars per cookie