Writing Ratios & Identifying Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

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

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

Front

How can you determine if two ratios are equivalent?

Back

You can determine if two ratios are equivalent by cross-multiplying and checking if the products are equal.

Front

What is the ratio of 5 to 4 expressed as a fraction?

Back

The ratio of 5 to 4 can be expressed as the fraction 5/4.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

Are the ratios 2/4 and 3/10 equivalent?

Back

No, the ratios 2/4 and 3/10 are not equivalent.

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20 is equivalent to 5 to 4.

Front

If 18 vocab words are learned in 2 hours, how many words are learned per hour?

Back

9 vocab words are learned per hour.

Front

If 27 vocab words are learned in 3 hours, what is the ratio of words learned to hours?

Back

The ratio is 9 vocab words per hour.