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

Ratios can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

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

If there are 8 boys and 14 girls in a class, what is the ratio of boys to total students?

Back

8 : 22

Front

Are the ratios 3:4 and 6:12 equivalent?

Back

No

Front

Are the ratios 2:3 and 8:12 equivalent?

Back

Yes

Front

If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, are these prices equivalent?

Back

Yes, equivalent.

Front

What is the simplest form of the ratio 8:12?

Back

2:3

Front

How can you determine if two ratios are equivalent?

Back

You can cross-multiply the ratios and see if the products are equal.

Front

What is the ratio of girls to boys in a class with 14 girls and 8 boys?

Back

14 : 8 or simplified, 7 : 4.