Ratios and Proportions

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, expressed as 'a:b' or '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 proportion?

Back

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

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide to find the unknown value.

Front

What is the ratio of 6 to 5 in simplest form?

Back

The ratio 6:5 is already in simplest form.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.

Front

How do you find the equivalent ratio of 4:5?

Back

Multiply or divide both terms by the same non-zero number, e.g., 8:10 is equivalent to 4:5.

Front

What is the ratio of oatmeal to chocolate chip cookies if there are 5 oatmeal and 6 chocolate chip cookies?

Back

The ratio of oatmeal to chocolate chip cookies is 5:6.

Front

If k/3 = 5/15, what is k?

Back

k = 5.