Ted Talk
Proportional or Not
Find the Unit Rate
Percentages
Surprise!!
100
When is Charles Burrell's birthday?
October 4th
100
Is the table on the board proportional?
Yes
100
What is a unit rate?
Has a denominator of 1
100
What is 30% of 60
18
100
Put your teachers in order from youngest to oldest.
Kremper
Olinger
Sugarman
Sugarman
Kremper
Olinger
200
What is the name of the guy giving the Ted Talk?
Marcus Miller
200
Find the constant of proportionality for the table on the board
CoP = 1/3
200
Whitney is starting a clothing store. With 12 spools of thread, she can sew 72 sweaters. Find the unit rate.
6 sweaters per 1 spool of thread
200
You found a brand new backpack for $80 that you NEED. Your mom was awesome and has a coupon for 20% off. How much did you spend on the backpack?
$64
200
When talking about probability, what 2 values must you stay between?
0 - 1
300
What does the speaker suggest is a common misconception about mathematics?
It is not relevant in the real world.
300
Write an equation to represent the table on the board.
y = 1/3 x
y = x/3
300
Find the unit rate of the graph on the board.
Unit Rate = 6/1
300
When your water bottle is 40% full, it holds 12 oz of water. How many oz of water can your water bottle hold when it's full?
30 oz
300
What's the only president to turn 100?
Jimmy Carter
400
How do mathematicians denote the set of natural numbers?
Z
400
What must be true for a graph to be proportional?
Straight Line
Passes through the point (0,0)
400
A student walked 2/3 of a mile to get to school in 1/2 of an hour.
At this rate, she is walking ____ miles per hour.
1 1/3
400
What type of substance is composed of only 1 type of atom?
Element
400
Find the missing width of the shape on the board.
35
500
According to the speaker, what is the cardinality of the integers? (What does he call integers?
Aleph-null
500
Ms. Sugarman can grade 10 papers in 3 minutes.
The number of papers, p, is proportional to the number of minutes, m, that Ms. Sugarman is grading.
Write the 2 equations that model the relationship between p and m.
p=10/3m
m=3/10p
500
Ms. Kremper put an empty cup underneath a leaking faucet. After 2 1/2 hours, Ruben’s cup had collected of a 1/3 cup of water from the faucet. Water is leaking from the faucet at a rate of ____ cups per hour.
2/15 cups per hour
500
At a restaurant, a customer added a 18% tip to the cost of their meal. With the added tip, they paid a total of $35.40.
Select the cost of the meal before the tip was added.
$30
500
In a scale drawing of a swimming pool, 2 inches represents 5 feet in real life. The scale drawing is shown.
The length of the pool in the drawing is 20 inches. Its actual length in real life is _______ feet.
50 inches