Unit Rates

Unit Rates

100

What are the two synonyms of "unit rate?"

Constant of proportionality

AND

Slope

200

Find the unit rate:

$4.80 for 6 cans

$0.80/1 can

300

What is the constant of proportionality of miles per hour?

10 hours to drive 553 miles.

55.3 miles/1 hour

400

You did 7 chores for $156.80 dollars. What is your pay rate per chore?

my friend gets $22.40/1hour

500

An explorer can hike 12/7 miles in 3 hours. Write an equation the represents how many miles can she (Dora) hike in 1 hour?

She (Dora) can hike 4/7 miles in 1 hour soooo,

y=4/7x

Unit Rates from a Table

100

Find the Unit Rate. Show your work.

$21.00/1 hour

200

Find the Unit Rate.

There is no unit rate because the graph is not proportional.

300

Find the Unit Rate. Then use the Unit Rate to fill in the last spot in the table.

Unit Rate: 3 Lemons/1 glass of lemonade.

0.4 glasses of lemonade

400

Find the Unit Rate. Then use the Unit Rate to fill in the last spot in the table.

There is not unit rate because the table is not proportional so we cannot fill the last row in.

500

Find the unit rate. Use the unit rate to fill out the rest of the table.

60 miles/ 1 hour

180, 240, 300, 360

Unit Rates from a graph

100

Is the graph proportional? Explain why or why not.

No, the graph is not proportional because it does not go through the origin

200

Find the unit rate from the graph.

$12.00/1 hour

300

Find the unit rate from the graph.

I cannot find the unit rate because the graph is not proportional.

400

Find the unit rate. Then write the equation.

1.5 inches/ 1 second

y = 1.5x

500

Find the unit rate. Then write the equation.

I cannot find the unit rate because the graph is not proportional.

I cannot write an equation because the graph is not proportional.

Interpreting

100

Find the unit rate. Then interpret the unit rate.

25 pizzas/ 1 day

People order 25 pizzas in 1 day.

200

Find the unit rate. Then interpret the unit rate.

$21.00/1 hour

I make $21.00 in 1 hour.

300

Interpret the point (6, 600)

We have 600 calories remaining after 6 hours.

400

Interpret the point. (10, 120)

120 pounds of beef jerky costs $120.00

500

Find the unit rate. Then interpret the point (7, 13)

I cannot find the unit rate because the table in not proportional.

7 pieces of chicken costs $13.00.