Is it proportional? / Unit rate
Proportional tables
Proportional graph
Proportion problems
Riddles
100
Is it proportional?
1/3=9/3
No
100
A table is proportional if...?
A proportion can be made with any two ratios
OR
the unit rate is the same for all ratios
100
How do we know a graph is proportional?
Line is straight, and it starts at 0
100
What does unit rate mean?
the rate per one
100
What has to be broken before you can use it?
An egg
200
The song "Rap God" by Eminem has 1560 words in about 6 minutes. What is the unit rate?
260 words per minute
200
What is k for the table?
k = 0.69
200
What is the unit rate for the graph?
About 8.33
200
2 books cost $8.40
5 books cost ?
$21
200
There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What color are the stairs?
There aren't any- it's a one story house
300
A box contains 12.5 pounds of pencils, which will be shared amongst 50 students. How many pounds of pencils will each student receive?
1/4
300
What is the constant of proportionality?
1.5 or
3/2
300
What is the constant of proportionality?
3
300
Terry charges $42 for washing cars for 2.8 hours. How much does he charge per hour?
$15
300
The more of this there is, the less you see. What is it?
Darkness
400
A firefighter ladder rises up 3.5 feet every 10 seconds. How much would it rise in 1 minute?
21 feet
400
What is the unit rate for this table?
4
400
For every 5 quarts of red paint, how many quarts of yellow paint is needed?
2
400
What is the k for this table?
k= 16.5
400
What is always in front of you but can’t be seen?
The future
500
Micah bought 3 books for $22.95.
How many books can Micah buy for $137.70?
18 books
500
Figure out the missing values
20 and 720
500
How much does Amelia make per hour?
$8
500
How much for 1 ounce?
$1.75
500
I’m light as a feather, yet the strongest person can’t hold me for long. What am I?
Your breath