Scaling
2
What is a ratio?
A comparison of two amounts.
Example: If there are 2 cats and 3 dogs, the ratio of cat to dogs is 2:3.
True or False: This sentence is false.
I don't know. It's called a paradox.
What is the fraction form of .5?
1/2 one half
2 * 4 = ?
8
If I want to shrink an object, I should multiply the side lengths by a number __________ than 1.
Less
What is a proportional relationship?
●Proportional Relationship: A relationship where two quantities change at the same rate.
●A proportional relationship happens when two quantities always change at the same rate. As one amount increases or decreases, the other does too, and the ratio stays the same.
Example: If 1 notebook costs $2, then 2 notebooks cost $4 and 3 notebooks cost $6. The cost and number of notebooks have a proportional relationship.
What musical styles were uniquely created in the United States. Name at least one.
Jazz, blues, Rock and Roll, and hip hop.
If I ate 1/3 of the pizza and there are 9 pieces total, how many pieces did I have?
3 pieces
(9 /3 = 3 )
2 * _?_ = 10
5
If I want to create a larger scale copy of a square. I will multiply the original length and width by a number __________ than 1.
Greater/Bigger
What is the Constant of Proportionality?
A Contant ratio in any proportional relationship.
-It is how much of the second quantity per the first quantity.
What are the two largest mountain ranges in North America?
The Rocky Mountains and The Appalachian Mountains.
Name the smallest fraction here:
1/2
14/20
3/10
3/10
3 * 7 = ?
21
Jim multiplied his couch length, width, and height by 1.5, is he scaling up or scaling down? Is the couch bigger or smaller
Bigger
1.5 is GREATER THAN 1
If 1 cup of rice feeds 3 people, how many cups of rice will feed 30 people?
30 people divided by how many people are feed by 1 cup of rice.
30/3 = 10 cups of rice.
Name all the states surrounding Iowa?
Minnesota, Wisconsin, Illinois, Missouri, Nebraska, and South Dakota.
Name a fraction that is equivalent to 2.0
**Hint: fractions are just division problems**
2/1 or 4/2 or 6/3 or 8/4 or 20/10 etc...
What is half of 5?
2.5
(5 * .5 OR 5/2)
If we kicked out 1/3 of our class, we would have 8 students left. How many students are in our class total?
12 (if 8 = 2/3, then half of eight would = 1/3
therefore... 8 + 4 = 3/3)
If 1 case of paper towels has 12 rolls, how many rolls of paper towels will be in 3 cases of paper towels?
3 cases time 12 rolls per case = 36 rolls of paper towels.
36 Paper Towels
What are the names of Mr. Finn's children?
Michael and Laylah
Reduce the fraction 4/12
2/6 or 1/3
7.5 * __?_ = 22.5
3