Solving Proportions

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

Front

How do you set up a proportion to solve a problem?

Back

To set up a proportion, you can use the formula a/b = c/d, where a and b are the first ratio, and c and d are the second ratio.

Tags

CCSS.7.RP.A.2C

Front

What is cross-multiplication in solving proportions?

Back

Cross-multiplication is a method used to solve proportions by multiplying the numerator of one ratio by the denominator of the other ratio.

Front

If 5 ice cream cones are sold for every 3 brownies, what is the ratio of ice cream cones to brownies?

Back

The ratio of ice cream cones to brownies is 5:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the missing value in a proportion?

Back

To find the missing value in a proportion, set up the proportion and use cross-multiplication to solve for the unknown.

Tags

CCSS.7.RP.A.2B

Front

What is the first step in solving a word problem involving proportions?

Back

The first step is to identify the quantities involved and set up a proportion based on the relationships described in the problem.

Tags

CCSS.7.EE.B.3

Front

How can proportions be used in real-life situations?

Back

Proportions can be used in various real-life situations, such as cooking, budgeting, and scaling models.

Tags

CCSS.7.RP.A.3

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.

Tags

CCSS.6.RP.A.3A

Front

If 4 big water bottles hold 8 gallons, how much does one big water bottle hold?

Back

One big water bottle holds 2 gallons.

Tags

CCSS.6.RP.A.3B

Front

How do you convert a proportion into a percentage?

Back

To convert a proportion into a percentage, divide the part by the whole and multiply by 100.