Ratios, Proportions

A ratio is

• comparing a bunch of numbers

• a comparison between 2 quantities

• an estimation of an amount

• a variable

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A proportion is a

• ratio statement

• an "if-then" statement

• a statement of 2 ratios

• a comparison

Tags

CCSS.7.RP.A.2A

All of the following are proper representations of a ratio EXCEPT

• a/b

• a to b

• a:b

• a over b

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

To solve for missing info in a proportion statement you must first

• Cross multiply

• Divide everything

• Get rid of variables

• Guess

In geometry what tends to happen to most problems

• they are hard to solve

• they turn in to decimals

• they become algebra problems

• they are easy to solve

Tags

CCSS.7.RP.A.2B

Tags

CCSS.7.EE.B.4A

Tags

CCSS.HSA.REI.A.2

Tags

CCSS.8.EE.C.7B