6.3 Equivalent Ratios

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. For example, 1:2 and 2:4 are equivalent ratios.

Front

True or False: ¾ = ⅝

Back

False

Front

If 25:35 is equivalent to 10:___, what is the missing number?

Back

14

Front

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

Back

16:20

Front

Joe mixes 3 pints of white with 1 pint of red. Alex mixes 12 pints of white and 4 pints of red. Will they create the same shade of pink?

Back

Yes

Front

How do you simplify the ratio 8:12?

Back

Divide both numbers by their greatest common divisor, which is 4. So, 8:12 simplifies to 2:3.

Front

What is the ratio of 18 vocab words learned in 2 hours to 27 vocab words learned in 3 hours?

Back

Yes, they are equivalent.

Front

If a recipe calls for a ratio of 2:3 for sugar to flour, how much flour is needed for 4 cups of sugar?

Back

6 cups of flour (because 2:3 means for every 2 parts of sugar, there are 3 parts of flour).

Front

What is the first step to determine if two ratios are equivalent?

Back

Cross-multiply the ratios and compare the products.

Front

What is the ratio of 15 to 25 in simplest form?

Back

3:5 (divide both by 5).