Comparing Equivalent 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, often expressed as 'a:b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

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 can be simplified to the same form.

Front

What is the ratio of girls to boys in a class with 6 girls and 21 boys?

Back

6:21, which simplifies to 2:7.

Front

If a recipe calls for 5 cups of flour to 6 cups of sugar, what is the ratio of flour to sugar?

Back

5:6.

Front

Which of the following ratios is NOT equivalent to 5:6? 10:12, 15:18, 16:20, 20:24

Back

16:20 is NOT equivalent to 5:6.

Front

How do you find the total number of students in a class with 8 boys and 14 girls?

Back

Add the number of boys and girls: 8 + 14 = 22 students.

Front

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

Back

8:22.

Front

If Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins, what can you say about the two ratios?

Back

They are equivalent ratios.

Front

How do you determine if two ratios are equivalent?

Back

Cross-multiply the ratios and see if the products are equal.