Rates, Ratios, & Proportions Flashcardizz

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed in the form 'a:b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you find the unit rate from a total cost and quantity?

Back

Divide the total cost by the quantity to find the cost per unit.

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

Cross-multiply the terms and set the products equal to each other, then solve for the unknown.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the two quantities are expressed in the smallest whole numbers possible.

Front

If there are 8 apples and 4 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 2:1.

Front

How can you express a ratio of 3 to 5 in fraction form?

Back

The ratio of 3 to 5 can be expressed as the fraction 3/5.

Front

What does it mean if two ratios are equivalent?

Back

If two ratios are equivalent, it means they represent the same relationship between quantities.