Solving Proportions - ALT

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 solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then isolate the variable.

Tags

CCSS.6.EE.B.7

Front

What is cross-multiplication?

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

Back

x = 28.

Tags

CCSS.7.RP.A.2B

Front

Back

n = 8.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Back

x = 10.

Tags

CCSS.7.EE.B.4A

Front

What does it mean if a proportion is undefined?

Back

A proportion is undefined if it involves division by zero.

Front

Back

x = 3.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the first step in solving a proportion?

Back

Identify the two ratios that are being compared.

Tags

CCSS.6.RP.A.3A

Front

What is the importance of units in solving proportions?

Back

Units help ensure that the quantities being compared are compatible and provide context to the solution.

Tags

CCSS.7.RP.A.3