Proportions-6th grade

Front

What is a proportion?

Back

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

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, you can set up a proportion using the known values and solve for the unknown.

Front

If 3 pounds of hamburger meat cost $6, how much does 1 pound cost?

Back

$2 per pound.

Front

What is the ratio of boys to girls if there are 12 boys and 8 girls?

Back

The ratio is 3 to 2.

Front

If the ratio of cats to dogs is 4 to 5, how many dogs are there if there are 16 cats?

Back

20 dogs.

Front

What does it mean if two ratios form a proportion?

Back

It means that the cross products of the ratios are equal.

Front

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

Back

The ratio of flour to sugar is 2 to 3.

Front

How can you check if two ratios are equivalent?

Back

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

Front

What is the missing value in the ratio table if the ratio is 4:6 and the missing value corresponds to 8?

Back

The missing value is 12.

Front

If 5 apples cost $10, how much do 15 apples cost?

Back

$30.