Constant Proportionality from Tables
Constant of Proportionality from Graphs
Constant of Proportionality from Words
Constant of Proportionality and Equations
Randommmmm
100

Drew paints portraits.  Find the constant of proportionality if it is a proportional relationship (with correct units!)

Number of portraits = x              Time (in hours) = y

           1                                          5

           2                                          10

           3                                          15

           4                                          20


5 portraits per hour

100

Find the constant of proportionality 

k =46

100

Morgan bought 24 batteries packed in 6 equal packs.  Find the number of batteries in one pack (batteries per pack)?

4 batteries per pack

100

Find the constant of proportionality: y = 7x

What is 7?

100

What is Ms. Oliver's favorite color?

black

200

The table shows the amount earned by Harry for selling ice cream.  Find k.


Cups Sold = x              3         5        7         9

Earnings ($)  = y         12        20      28       36


k = 4

200

What is the unit rate?

 1.2

200
If 12 eggs cost $3.84, then what is the cost of one egg?

$0.32

200

Find the constant of proportionality: C = (2/3)m

What is 2/3?

200

You would be shocked to know that these flying animals taste with their feet...

Butterflies

300

Fred wrote notes during an exam.  Find k (with correct units) if it is a proportional relationship.


Notes (pages)          8             9               10            11

Time (in hours)        16           18              20            23

It is not proportional, there is no k. 

300

Find the constant of proportionality with correct units

5 gallons per min

300

A car travels 225 miles in 3 hours? What is the unit rate in miles per hour?

75 mph

300

What is the constant of proportionality in the following equation?

y = 4x

The constant of proportionality is 4

300

Who is Mario's brother in the super mario brothers series?

Luigi

400

A ferry transports bikes to an island.  What is the CoP? 


Number of bikes (x)              10             12             14            

Number of trips (y)              5                6               7              

CoP = 0.5

400

What is the constant of proportionality?

CoP = 3

400

If 7 necklaces cost $84, how much would it be for 15 necklaces?

$180

400

Which equation shows a proportional relationship?

a)  y = 2 + x

b)  y = 2x

c)  y = 2x + 5

d)  y = 2x  - 5

b)  y = 2x

400

The holiday known as Memorial Day is in what month?

May

500

Alice bought comics.  Find the k (with correct units) if the table shows a proportional relationship.


Number of comics             2             4             6            

Price (dollars)                   6            12            16           


It is not proportional, there is no k. 

500

Find the constant of proportionality with correct units

60 miles per hour

500

12 sodas cost $6.84. How much would it cost for 18 sodas?

 $10.26

500

What is the equation for the following?

A car travels 325 miles in 5 hours at a constant speed.

y = 65x

500

How many vowels are there in the following word: 

8

Onomatopoeia