Topic 2 Vocab Flashcard 1 (Bell ringer)

Front

What is a Unit Rate?

Back

The rate for one unit of a given quantity.

Front

What is a Reciprocal?

Back

Two numbers are reciprocal if their product is 1. EX: 2/3 times 3/2.

Front

What is a Rate?

Back

A rate is a ratio involving two quantities measured in different units.

Front

What is a Proportional Relationship?

Back

A relationship is proportional if it can be described as equivalent ratios.

Front

What is a Ratio?

Back

A comparison of two quantities by division.

Front

What is an Equivalent Ratio?

Back

Two ratios that express the same relationship between numbers.

Front

How do you find a Unit Rate from a Ratio?

Back

Divide both quantities in the ratio by the same number to find the rate for one unit.

Front

What is the formula for finding a Rate?

Back

Rate = Quantity 1 / Quantity 2.

Front

What does it mean for two quantities to be directly proportional?

Back

As one quantity increases, the other quantity increases at a constant rate.

Front

What is the difference between a Rate and a Ratio?

Back

A rate compares two quantities with different units, while a ratio compares two quantities with the same unit.