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 solve for a missing value in a proportion?

Back

Cross-multiply the ratios and then solve for the unknown value.

Front

What is the ratio of 4 birds to 6 snakes?

Back

4/6 or 2/3 when simplified.

Front

If the ratio of boys to girls is 3 to 2, how many girls are there if there are 12 boys?

Back

8 girls.

Front

What is the first step to solve for x in the equation 2/3 = x/6?

Back

Cross-multiply to get 2 * 6 = 3 * x.

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship between quantities.

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 2:3.

Front

How can you express the ratio of 10 apples to 5 oranges?

Back

The ratio can be expressed as 10:5 or simplified to 2:1.

Front

What is the missing value in the proportion 3/4 = x/16?

Back

x = 12.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?

Back

180 miles.