Ratios: Writing, Double Number Lines, Bar Diagrams

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: A to B, A/B, or A:B.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

If the ratio of boys to girls is 3:5, how many girls are there if there are 120 boys?

Back

There are 200 girls.

Front

What does part-to-part ratio mean?

Back

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

Front

What does part-to-whole ratio mean?

Back

A part-to-whole ratio compares a part to the entire group, such as the ratio of incorrect answers to total questions.

Front

How can you represent ratios using bar diagrams?

Back

Bar diagrams visually represent ratios by using bars of different lengths to show the relative sizes of the quantities.

Front

What is a double number line?

Back

A double number line is a visual tool that shows two related quantities along two parallel lines, helping to illustrate ratios.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

Which of the following is NOT a correct way to write a ratio? A + B, A to B, A/B, A:B

Back

A + B is NOT a correct way to write a ratio.