Vocab
Rates
Proportional Relationships
Constant of Proportionality
Spooky Trivia
100
This is a relationship between two things often read as "________ per _______"
Ratio or Rate
100
I am traveling 3 miles every 5 hours. How would I represent that as a rate?
3/5
100
How do I check if a relationship is proportional?
1.Check if all of the rates are equal
or
2. Check if every rate has the same unit rate
or
3. Check if a constant of proportionality works
100
When does a relationship between two things NOT have a constant of proportionality
When the relationship is not proportional
100
The author R.L. Stine is famous for writing this series of horror stories for young adults
Goosebumps
200
Two things have this kind of relationship when all of the rates relating the two are equal
Proportional relationship
200
115/5 represented as a unit rate
23/1
200
Is this a proportional relationship? You need to tell me how you know for me to accept your answer.
Yes
200
Identify the Constant of proportionality in this table:
3.2
200
Based on a famous Stephen King book, this movie follows the exploits of an evil clown
IT
300
A rate whose denominator (the bottom) is always 1
Unit Rate
300
(1/2)/(1/5) represented as a unit rate
(5/2)/1
300
What number would we fill in the blank with to make this relationship proportional?
0.5 or 1/2
300
The cost of eggs and the amount of eggs have a proportional relationship. If a dozen eggs costs $15, how much would one eggs cost?
$1.25
300
Freddy Krueger will never get you in real life, he only appears in your __________
Dreams
400
The sum of a number and it's _________ is 0
Additive Inverse
400
Gwen and Stacy work at the same store. Gwen makes 45.50 working 5 hours and Stacy makes 67.50 working 9 hours. Which one of them is getting paid less and how much are they making?
Stacy is making less, she is making $7.50
400
Parker is just began working at a local car shop. Parker made $30.40 for 2 hours of work and the very next day he made $115.60 for 8 hours of work. Should Parker be concerned? Why or why not?
Parker should be concerned because his hours worked should have a proportional relationships with how much he is paid. On his first day he was paid 15.20 per hour and on his second day, he was paid $14.45 per hour.
400
There is a proportional relationship between time passed and distance traveled in a car. If your car can travel at a maximum of two miles per minute, how far will it travel in an hour?
120 miles
400
This famous line from the movie Jaws is uttered when the main characters realize they may have bitten off more than they could chew
"You're gonna need a bigger boat"
500
The product of this number and the denominator of a rate is the numerator of the rate
Constant of Proportionality
500
Aakash is going on a very difficult hike and in his first 2 hours he was only able to travel 3 miles. If the trail is 8 miles long, how long will it take Aakash to finish his hike?
12 hours
500
The height of a building is proportional to the number of floors. A building has 9 floors and is 135 feet tall. How tall would the building be if it had 15 floors?
225 feet tall
500
Earlier in the year, we found that our horse friend Crusher runs at a speed of (12/8)/(3/28) meters per second. Assuming there is a proportional relationship between time and distance traveled by Crusher, what is the constant of proportionality of the relationship?
14
500
The movie Alien takes place on this spaceship
The Nostromo