Proportionality from Tables

Unit Rate

• Also known as "Constant"

• The amount for 2 of something

• Only applies to whole numbers.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Constant of Proportionality

• c

• k

• y

• x

Tags

CCSS.7.RP.A.2B

Proportional

• equivalent

• increasing

• more than

• decreasing

Tags

CCSS.7.RP.A.2A

A relationship is proportional when _________________.

• There are numbers in a table.

• The ratio of the # in the y column divided by x is equal.

• The ratio of the # in the x divided by y is equal.

Tags

CCSS.7.RP.A.2A

Which equation represents a proportional relationship?

• y=kx

• k=yx

• x=yk

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Another term for "Constant (of Proportionality)" is ____________.

• Unit rate

• ratio

• point

Tags

CCSS.7.RP.A.2B

Is this table proportional? If so, what is the constant?

• no

• yes, k =7

• yes, k=1/7

Tags

CCSS.7.RP.A.2B

True or False?

The number of teachers is directly proportional to the max number of students

• True

• False

Tags

CCSS.7.RP.A.2A

What is the k?

• 1/6 students per teacher

• 6 students per teacher

• There is no k.

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

What is the Unit Rate?

• $1 per 5 hours worked

• $5 per hour worked

• There is no unit rate.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2