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Ratios
Unit Rate
Proportional Relationships
Solving Proportions
Word Problems
100
Write 6 girls to 8 boys as a ratio in 3 ways.
6/8, 6 to 8, 6:8
100
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?
What is 25 miles per hour
100
Write three facts about CONSTANT OF PROPORTIONALITY.
* Unit rate * k=y/x * what you multiply x by to get y
100
Solve for x. x/6 = 6/9
What is 4
100
Anna earns $12 in 3 hours. How much does she make in 5 hours?
What is $20
200
Write 10 limes to 6 lemons as a ratio in 3 ways.
10:6, 10/6, 10 to 6
200
If James types 120 words per 3 minutes, what is his rate of typing?
What is 40 words per minute
200
Determine the C.O.P. of the table below. Include units. ___________ x(min)|y(gallons) 0 | 0 3 | 9 7 | 21
3 gallosn per minute
200
Solve for x. x/2 = 9/6
What is 3
200
Ramon gets 10 points in 4 games. How many does he get in 6 games?
What is 15 points
300
What are the 3 ways we write a ratio.
As a fraction, with a colon, and with the word "to"
300
If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?
What is $0.35
300
Are 6/8 and 9/12 proportional?
Yes proportional, 6 x 12 = 72, and 9 x 8 = 72
300
Solve for x. x/6 = 8/12
What is 4
300
Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?
What is 3 minutes
400
A comparison between two numbers is called a______
ratio
400
Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts
What is $24 for 8 t-shirts (rate of $3 per shirt)
400
Describe the graph of a proportional relationship.
A straight line passing through the origin.
400
Solve for x. 6/10 = 18/x
What is 30
400
Julia texts 60 words in 4 minutes, then she texts 45 words in how many minutes?
What is 3 minutes
500
What are the 2 ways to write an equivalent ratio? A Adding B Subtracting C Multiplying D Dividing
What is C, D Multiplying and Dividing
500
What is a unit rate?
a ratio where the bottom number is a 1
500
Sketch a graph of a non-proportional relationship. Explain why it is not proportional.
See graphs
500
Solve for x. 3/8 = 15/x
What is 40.
500
Ms. Curtis students 25 hours for 2 tests, and studies 100 hours for how many tests?
What is 8 tests.