Ratios/Proportions/Percent Practice

Front

What is a ratio?

Back

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

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and set the products equal to each other.

Front

What is the formula for finding a percentage?

Back

Percentage = (Part/Whole) x 100.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How can you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms by their greatest common divisor.

Front

What is the relationship between ratios and fractions?

Back

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

Front

What is a proportion?

Back

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

Front

How do you find an unknown in a proportion?

Back

You can find an unknown in a proportion by cross-multiplying and solving for the variable.

Front

What is the ratio of 5 to 3 expressed as a fraction?

Back

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

Front

If a recipe calls for a ratio of 2:1 of flour to sugar, how much sugar is needed for 4 cups of flour?

Back

For 4 cups of flour, you need 2 cups of sugar (4 cups flour x (1 part sugar / 2 parts flour)).