ratios and proportions

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 write the ratio of two quantities?

Back

To write the ratio of two quantities, you can express it in the form 'a:b' where 'a' and 'b' are the quantities being compared.

Front

What is the ratio of Ella's balloons to Taylor's balloons if Ella has 5 and Taylor has 7?

Back

The ratio of Ella's balloons to Taylor's balloons is 5:7.

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, you can use cross-multiplication to find the unknown value.

Front

What is an example of a real-life ratio?

Back

An example of a real-life ratio is 4 meatballs to 1 cup of sauce.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4:3.

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.

Front

How can you simplify a ratio?

Back

You can simplify a ratio by dividing 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 quantity is the denominator.