Proportional Relationship
Number System
Expressions and Equations
Geometry
Vocabulary
100
Is this a proportional relationship? Why?
Yes, because it is a straight line through the origin.
100
Write an expression that models the number line.
-2 + (-6)
100
Enter the value of 5⋅(13.5−4.5)
45
100
A drawing of a garden is made to a scale of 1 cm = 2 meters. If the length of the garden in the drawing is 3 cm, what is the actual length of the garden?
The actual length of the garden is ______.
6 meters
100
$2.00 per candy bar
This is an example of ________.
Unit Rate
200
If 10 bags of Hot Cheetos cost $3.50, then how much does 1 bag cost?
$0.35 per bag
200
Enter the decimal equivalent of
11/8
1.375
200
Solve for x.
20x - 15 = 25
x = 2
200
x=6
200
What is the constant of proportionality in a proportional relationship?
A) The number that represents the total amount
B) The ratio between two quantities that remain constant
C) The difference between two quantities
D) The average of two numbers
B) The ratio between two quantities that remain constant
300
Sara buys a sweater at a department store. The sweater costs $30. The store is having a 25% off sale on everything in the store.
Enter the amount of money, in dollars, Sara saves from the sale. Do not consider the sales tax.
Sara saves $7.50.
300
You are 10 dollars in debt. You borrow 15 dollars more. What is the total amount of your debt?
You owe 25 dollars.
(-25)
300
Select the expression Equivalent to (4x+3)+(−2x+4).
A −2x+12
B −8x+12
C 6x+7
D 2x+7
D 2x +7
300
A blueprint of a room is drawn at a scale of 1 inch = 5 feet. If the length of the room on the blueprint is 8 inches, what is the actual length of the room?
The actual length of the room is ______.
40 feet
300
In math class, the teacher wrote an __________ on the board to show that 3x + 2 = 11.
Answer:
equation
400
This table shows a proportional relationship between the grams of peanuts and raisins in a bag of trail mix. 
Enter the number of grams of peanuts in a bag for every 1 gram of raisins.
3.5 grams of peanuts in a bag for every 1 gram of raisins.
400
The number line shows record low temperatures for states.
Enter the difference, in degrees, between the record low temperatures in Hawaii and South Dakota.
70 degrees Fahrenheit
400
Enter the value of c when the expression 21.2x+c is equivalent to 5.3(4x−2.6)
c = -13.78
400
The circumference of a circle is approximately 37.7 centimeters.
Enter the radius of the circle, in centimeters. Round your answer to the nearest whole number.
6 centimeters
400
A) Ratio
B)Scale Factor
___ A number that enlarges or reduces a figure
___ A comparison of two quantities
1. B
2. A
500
An electrician is hired to install outdoor lighting. The electrician claims that the relationship between the number of hours worked and the total work fee is proportional. The fee for 5 hours of work is $225.
Select all combinations of values for the electrician's work hours and total work fee that support the claim that the relationship between the two values is proportional.
A. 6 hours and $270
B. 6.5 hours and $315
C. 8 hours and $360
D. 8.75 hours and $380
A. 6 hours and $270
C. 8 hours and $360
500
An airplane takes off and climbs to 4500 feet. After 30 minutes, the airplane descends 250 feet. What is the airplane's current altitude?
The airplanes current altitude is 4250 ft.
500
Jenny has $25 and she earns $10 for each lawn that she mows. Jenny wants to buy a concert ticket that costs $65
Enter the minimum number of lawns Jenny needs to mow to be able to buy the concert ticket.
10x + 25 = 65
x=4
Jenny needs to mow 4 lawns to buy the concert tickets.
500
Figure A is a scale image of Figure B, as shown.
The scale that maps Figure A onto Figure B is
1: 7 1/4
Enter the value of x.
21.75 or
87/4
500
David goes into a candy store with $5.00. He buys 9 peppermints for $0.15 each, and some sour candies. Each sour candy costs $0.25.
Enter the maximum number of sour candies David can buy.
David can buy 14 sour candies.