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

What does it mean for two fractions to be equivalent?

Back

Two fractions are equivalent if they represent the same value or proportion, even if they have different numerators and denominators.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

How do you find a missing value in a proportion?

Back

You can find a missing value in a proportion by cross-multiplying and solving for the unknown.

Tags

CCSS.7.RP.A.2B

Front

What is the cross-multiplication method?

Back

The cross-multiplication method involves multiplying the numerator of one fraction by the denominator of the other fraction to find equivalent ratios.

Tags

CCSS.6.RP.A.3A

Front

Back

The relationship is that a times d equals b times c (ad = bc).

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Back

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Back

x = 25.

Front

If a student scored 50% on a test with 36 points, how many points did they earn?

Back

The student earned 18 points.

Tags

CCSS.6.RP.A.3C

Front

Back

k = 5.

Tags

CCSS.6.EE.A.1

Front

Back

w = 4.

Tags

CCSS.6.EE.A.1