Ratios and Rates
Unit Rates
Is it proportional?
Constant of Proportionality
Equations
100
This is the ratio 5 out of 10 horses in simplest form.
1/2
100
Determine the unit rate for driving 132 miles in 2 hours.
66 miles per hour
100
Are the following ratios in a proportional relationship?
5/6 and 15/20
Not proportional.
100
Determine the constant of proportionality in the graph below.
3 web visits per 1 download
100
Write an equation to represent the table
y=2x
200
There are 4 apples and 32 oranges. Write the ratio of apples to oranges in simplest form.
1/8
200
Find the unit rate for running 100 m in 10 seconds.
10 meters per second
200
Is the following table proportional?
Yes the table is proportional
200
Determine the constant of proportionality in the equation below.
y=3.4x
3.4
200
Write an equation to represent the graph.
y=16x
300
There are 6 blue pencils out of 15 pencils. Write the ratio of total pencils to blue pencils in simplest form.
5 total/2 blue
300
In 1/2 an hour, Malia ran 6 miles. Determine how many miles she can run in an hour.
12 miles per hour.
300
Is the following equation proportional?
y=8x
Yes, it has a constant rate of 8.
300
Determine the constant of proportionality in the table.
$1.50 per ticket
300
Write an equation to represent the problem.
y=9x
400
There are 14 teachers and 210 students. Write the ratio of students to teachers in simplest form.
30/2
400
Aniya walked 5 1/2 blocks in 11 minutes. What is the rate in blocks per minute?
1/2 a block per minute.
400
Is the following graph proportional?
No, it does not pass through the origin.
400
What's the constant of proportionality in the graph below.
200 commission per sale.
400
Anna read 13 pages in 2 minutes. Write an equation to represent p, number of pages per m, the number of minutes.
p=6.5m
500
A bag has 6 red marbles, 2 green marbles, and 7 blue marbles. Write the ratio of green marbles to red marbles in simplest form.
1/3
500
Omar drives 15 miles in 20 minutes. How many miles drove he drive per hour?
45 miles per hour.
500
Erin goes to the store and sees she can buy 12 ounces of orange juice for $1.20 or you can buy 20 ounces of orange juice in $2.40. Is this a proportional relationship?
No, they do not have the same unit rates.
500
Irving drove for 15 hours and traveled 750 miles. Determine the constant of proportionality.
50 mph
500
Luis ran 3 feet in 2 seconds. Write an equation to represent d, the distance Luis runs in relation to t, time.
d=3/2t
d=1.5t