Graphs and Tables
Unit Rate
Proportional or Not?
Solving Proportions
Word Problems
100
Is this graph proportional? Why or why not?
What is, Yes, because it is linear (straight) and it goes through the origin.
100
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?
What is 25 miles per hour
100
2/3 and 4/6 (prove by cross multiplication or finding the unit rate)
Yes, proportional, 2 x 6 = 12, 3 x 4 = 12
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
Is this graph proportional? Why or why not?
What is, no, it is not linear (straight).
200
If James types 120 words per 3 minutes, what is his rate of typing?
What is 40 words per minute
200
Are 1/6 and 2/7 proportional? (prove by cross multiplication or finding the unit rate)
Not Proportional, 1 x 7 = 7 and 2 x 6 = 12
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
Is this miles proportional to leagues? What is the constant of proportionality?
What is yes. 3 miles/ 1 league
300
What is a unit rate?
A ratio with units, where the bottom number is a 1.
300
Are 6/8 and 9/12 proportional? (prove by finding the unit rate.)
Yes proportional, 0.75 and 0.75
300
Solve for x. 6/x = 8/12
What is 9
300
Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?
What is 3 minutes
400
What is the constant of proportionality?
What is there is none. The perimeter is not proportional to the shape.
400
Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts (must show price per shirt for each)
What is $24 for 8 t-shirts (rate of $3 per shirt)
400
Are 5/10 and 4/8 proportional? (prove by cross multiplication or finding the unit rate)
Yes proportional, 5 x 8 = 40, 10 x 4 = 40
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 is the constant of proportionality?
What is $12/hour?
500
How do you find a unit rate?
What is, divide the numerator and denominator by the denominator. Must include units.
500
12/20 and 3/10 (prove by cross multiplication or finding the unit rate)
Not proportional, 12 x 10 = 120, 20 x 3 = 60
500
Solve for x. 3.5/3 = x/15
What is 17.5.
500
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What is F, 70 Feet.