Lesson 14: Comparing Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

How can you compare two ratios?

Back

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

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of boys to girls in a class.

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares a part of a quantity to the entire quantity, such as the ratio of boys to the total number of students.

Front

If Lisa uses 4 lemons and Yuna uses 6 lemons, which recipe has a stronger lemon flavor?

Back

Yuna's recipe has a stronger lemon flavor because it uses more lemons.

Front

If Jada earns $30 for mowing 3 lawns, what is her earning per lawn?

Back

Jada earns $10 per lawn.

Front

If Can A has 2 parts red and 3 parts white, and Can B has 4 parts red and 1 part white, which paint is darker?

Back

Can B is darker because it has a higher ratio of red to white.

Front

What is the importance of understanding ratios in real life?

Back

Understanding ratios helps in making comparisons, scaling recipes, and analyzing data in various situations.