Constant Proportionality from Tables
Constant of Proportionality from Graphs
Unit Rate
Miscellaneous
Proportions
100
Drew paints portraits. Find the constant of proportionality if it is a proportional relationship.
Time (in hours) = x Number of portraits = y
1 5
2 10
3 15
4 20
5 portraits per hour
100
Find the constant of proportionality (or unit rate)
46 miles per hour
100
A bag of 6 apples costs $4.50. What is the cost per apple?
$0.75 per apple
100
What is the largest planet in our solar system?
Jupiter
100
Six apples cost $4.80. If all apples cost the same amount, how much will 15 apples cost?
$12.00
200
The table shows the amount earned by Harry for selling ice cream. Find the constant of proportionality (or unit rate).
Cups Sold = x 3 5 7 9
Earnings ($) = y 12 20 28 36
$4 per cup
200
What is the constant or proportionality (or unit rate)?
1.2 miles per hour
200
Jordan reads 84 pages in 2 hours. How many pages does Jordan read per hour?
42 pages
200
What is the chemical symbol for gold?
Au
200
A car travels 150 miles in 3 hours at a constant speed. How far will the car travel in 5 hours at the same speed?
250 Miles
300
Fred wrote notes during an exam. Find the constant of proportionality (or unit rate) if it is a proportional relationship.
Notes (pages) 8 9 10 11
Time (in hours) 16 18 20 23
It is not proportional because 23/11 does not = 2 like the other ratios.
300
What is the constant or proportionality (or unit rate)?
5 gallons per minute
300
Four notebooks cost $6.80. What is the cost of one notebook?
$1.70 per notebook
300
What is the largest mammal in the world?
Blue Whale
300
Five notebooks cost $12.50. If each notebook costs the same amount, how much will 8 notebooks cost?
$20.00
400
A ferry transports bikes to an island. Find the constant of proportionality (or unit rate) if it is proportional.
Number of trips (x) 2 6 7
Number of bikes (y) 10 12 14
2 bikes per trip
400
Find the constant or proportionality (or unit rate)?
3 gallons per minute
400
A hose fills a pool with 120 gallons of water in 8 minutes. How many gallons of water flow into the pool per minute?
15 gallons per minute
400
What is the only mammal capable of true, sustained flight?
Bat
400
A baker uses 4 cups of flour to make 32 cookies. How many cups of flour are needed to make 56 cookies?
7 cups
500
Alice bought comics. Find the constant of proportionality (or unit rate) if the table shows a proportional relationship.
Number of comics 2 4 6
Price (dollars) 6 12 16
It is not proportional because 16/6 does not equal 3 like the other ratios.
500
Find the constant or proportionality (or unit rate)?
60 miles per hour
500
A box of 12 granola bars costs $9.00. What is the cost per granola bar?
$0.75 each
500
What is the name of the fairy in Peter Pan?
Tinkerbell
500
Define the word: PROPORTION
Proportion: Two Fractions that are EQUAL