Proportions Warmup

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 find the constant of proportionality in a table?

Back

To find the constant of proportionality, divide the values of one variable by the corresponding values of the other variable.

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a relationship is proportional?

Back

A relationship is proportional if the ratio between two quantities remains constant.

Tags

CCSS.7.RP.A.2A

Front

If y = kx, what does k represent?

Back

In the equation y = kx, k represents the constant of proportionality.

Tags

CCSS.7.RP.A.2B

Front

How can you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of corresponding values are equal.

Tags

CCSS.7.RP.A.2A

Front

If Lee can type 432 words in 6 minutes, how many words can he type in 1 minute?

Back

72 words.

Tags

CCSS.6.RP.A.3B

Front

If Allan needs 200 grams of flour for every 4 eggs, how much flour does he need for 8 eggs?

Back

400 grams.

Tags

CCSS.6.RP.A.3B

Front

What is the formula to find the constant of proportionality?

Back

The formula is k = y/x, where k is the constant, y is the dependent variable, and x is the independent variable.

Tags

CCSS.7.RP.A.2B

Front

What is an example of a proportional relationship in real life?

Back

An example is the relationship between distance and time when traveling at a constant speed.

Tags

CCSS.7.RP.A.2A

Front

What is the first step in solving a proportion?

Back

The first step is to cross-multiply the two ratios.

Tags

CCSS.7.RP.A.3