Equivalent Ratios and Solving Proportions

Front

What are two ratios that are equal called?

Back

Proportional

Front

If there are 120 calories in 2 servings, are there 360 calories in 6 servings?

Back

Yes, equivalent

Front

If 18 vocab words are learned in 2 hours, are 27 vocab words learned in 3 hours equivalent?

Back

Yes, equivalent

Front

If 20 out of 45 students attended the concert, do 12 out of 25 students also attend the concert?

Back

No

Front

Do the ratios 2:3 and 4:6 form a proportion?

Back

Yes, they form a proportion.

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

How do you find equivalent ratios?

Back

You can find equivalent ratios by multiplying or dividing both terms of the ratio by the same non-zero number.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If a recipe calls for 2 cups of flour for 3 cups of sugar, what is the equivalent ratio for 4 cups of flour?

Back

6 cups of sugar.

Front

What is the cross-multiplication method used for?

Back

It is used to determine if two ratios form a proportion by multiplying the means and the extremes.