Ratios/Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you simplify a ratio?

Back

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

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between numbers, even though the numbers may be different.

Front

How can you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the two numbers have no common factors other than 1.

Front

If the ratio of A to B is 2:3, what is the ratio of B to A?

Back

The ratio of B to A is 3:2.

Front

What is the ratio of 12 to 20 in simplest form?

Back

The simplest form of the ratio 12:20 is 3:5.

Front

How do you express a ratio in fractional form?

Back

A ratio can be expressed in fractional form by writing it as a fraction, with the first term as the numerator and the second term as the denominator.

Front

What is the ratio of 10 soccer players to 3 coaches?

Back

The ratio of soccer players to coaches is 10:3.

Front

How do you compare two ratios to determine if they are equivalent?

Back

To compare two ratios, cross-multiply and see if the products are equal.