Measurements and Proportions
Find the area of a rectangle with sides 4 inches and 8 inches.
32 square inches
You have a bag with 3 blue, 8 red, 4 yellow, and 5 green marbles. Find the probability:
P(yellow)
1/5 = 20%
Solve for x:
x - 3 = 13
x = 16
Write the equation of a line in slope-intercept form:
m = 2/3
b= -5
y=2/3x-5
Steve starts the summer with $10 and saves $5 each week. How many weeks will it take him to save $50?
8 weeks
Find the perimeter of a square with sides of 7 inches.
28 inches
You have a bag with 3 blue, 8 red, 4 yellow, and 5 green marbles. Find the probability:
P(red)
2/5 = 40%
Solve for x:
5 + 4x = 21
x = 4
Write the equation of a line in slope-intercept form:
m = 4, y-intercept (0, -3)
y=4x-3
Kyle overdraws his bank account and is negative $60. Every day he deposits $5 into the account. The equation t=5d-60 correlates with this scenario. How long will it take for his account to no longer have a negative balance?
12 days
25% of what number is 60?
240
You have a bag with 3 blue, 8 red, 4 yellow, and 5 green marbles. Find the probability:
P(pink)
0%
x = 10
Write the equation of a line in slope-intercept form:
m= - 1/2, (-2, 3)
y=-1/2x+2
Sally pays $10 to get into the local fair and an additional $2 per ride. Write the equation of the line in terms of the total cost (t) and the amount of rides (r) she gets on.
t = 2r+10
15 out of 25 students passed their test. What percent is that?
60%
You have a bag with 3 blue, 8 red, 4 yellow, and 5 green marbles. Find the probability:
P(blue or yellow)
7/20 = 35%
Solve for x:
2/(3+x) = 4
x = -5/2
Write the equation of a line in slope-intercept form:
(2, 3) (-1, -3)
y=2x-1
A bird is sitting 10 feet up in a tree. It starts to fly and rises 3 feet every second. Write an equation of the line in terms of total feet high (t) and how many seconds the bird is flying (s). How high will the bird be if it flies for 30 seconds?
t = 3s+10
100 feet
If the perimeter of a square is 52 cm, what is the length of one of its sides?
13 cm
You have a bag with 3 blue, 8 red, 4 yellow, and 5 green marbles. Find the probability:
P(not red)
3/5 = 60%
5(x+1) = 2(2x - 3)
x = -11
Write the equation of a line in slope-intercept form:
(2, 5) (2, -1)
x=2
The airplane was 40,000 feet in the air when it started to descend 2,000 feet every minute. The linear equation to show this relationship is f = -2,000m + 40,000, where f is feet and m is minutes. How long would it take the airplane until it reached the ground?
20 minutes