Ratios, Rates, Unit Rates 6th Grade

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Front

What are the three types of ratios?

Back

1. Part to Part 2. Part to Whole 3. Whole to Part

Front

How is a ratio written?

Back

Ratios can be written in several ways: X:Y, X/Y, or X to Y.

Front

Which of the following is NOT a correct way to write a ratio? X : Y, X and Y, X/Y, X to Y

Back

X and Y is NOT a correct way to write a ratio.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

If it snowed 14 inches in 5 hours, what is the unit rate of snowfall per hour?

Back

2.8 inches per hour.

Front

What is the formula to find a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio is expressed in its lowest terms, showing the simplest form of the comparison.