Ratios, Rates, & Proportions Station

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as speed (miles per hour) or price per item.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What is the formula for finding a unit rate?

Back

To find a unit rate, divide the quantity by the number of units, resulting in a value per one unit.

Front

What does GEMDAS stand for?

Back

GEMDAS stands for Grouping, Exponents, Multiplication/Division, Addition/Subtraction, which is the order of operations in mathematics.

Front

Calculate the ratio of 8 to 12.

Back

The ratio of 8 to 12 simplifies to 2:3.

Front

If a car travels 150 miles in 3 hours, what is its average speed?

Back

The average speed is 50 miles per hour.

Front

What is 6 1/2 written as a decimal?

Back

6 1/2 is written as 6.5.

Front

If 4 apples cost $2, what is the cost of 1 apple?

Back

The cost of 1 apple is $0.50.