Circumference or Area?
Proportional or Not Proportional
Proportional Equations
Solving Proportions
Integer Operations
100
The distance around a ferris wheel.
Circumference
100
Does this graph show a proportional relationship?
No, it does NOT show a proportional relationship. It does not pass through the origin.
100
If the constant of proportionality is 3, write the proportional equation.
y=3x
100
Solve the proportion:
3/4=x/12
x=9
100
-3*-2=
6
200
What is the Area of Circle formula?
A=pir^2
200
The table shows the relationship between time in minutes (x) and Distance in feet (y). Is this relationship proportional?
No, it is NOT proportional.
200
Write the proportional equation given the table of values:
y=1/3x
200
Solve the proportion by cross multiplication:
8/10=12/x
x=15
200
The answer to an addition problem is called:______
The answer to a subtraction problem is called:______
The answer to a multiplication problem is called:______
The answer to a division problem is called:______
The answer to an addition problem is called: sum
The answer to a subtraction problem is called: difference
The answer to a multiplication problem is called: product
The answer to a division problem is called: quotient
300
What is the Circumference of a circle when the radius is 4cm? Leave your answer in terms of pi. Don't forget units.
C=8pi cm
300
Does this table represent a proportional relationship? If it does, identify the constant of proportionality.
Yes, the table represents a proportional relationship.
k=y/x=20/4=15/3=10/2=5/1=5
300
Write the proportional equation for the following graph:
y=2x
300
Set up a percent proportion to solve this problem:
There are 35 boys out for football. This is about 5% of the total enrollment. How many total kids are in the school?
700 kids in the school
300
4-5=
-4-5=
-4-(-5)=
4-5=-1
-4-5=-9
-4-(-5)=1
400
Sally will use a pie pan that is 12 inches in diameter to bake an apple pie. If she will cover the bottom of her pie with the a graham cracker crust, what is the total area that will be covered? Leave your answer in terms of pi. Don't forget the units.
A=36pi square inches
400
Does this graph represent a proportional relationship? If it does, identify the constant of proportionality.
Yes, the table represents a proportional relationship.
k=2
400
Karen can run 6 miles in 1 hour. Write the proportional equation to represent the relationship between miles Karen can run (y) and time in hours (x).
y=6x
400
Ricky loves go-carts.
The equation y = 25x represents the go-cart track speed limit, in miles per hour.
How long did Ricky drive go-carts if he drove 150 miles total at the speed limit?
6 hours
400
Identify the sum to be negative or positive:
2+4=
-2+(-4)=
2+(-4)=
-2+4=
2+4= positive
-2+(-4)= negative
2+(-4)= negative
-2+4= positive
500
What is the area of the shaded grey region? Leave your answer in terms of pi. Don't forget the units!
27pi square inches
500
Draw two graphs: One that represents a proportional relationship and one that represents a non-proportional relationship. Be sure to label the axis.
Answers will vary.
500
Marissa writes 4 equations.
Which equations did she write that represent a proportional relationship? Select all that apply.
A. y = 2x + 3
B. y = 4x + 0
C. y = 5.4x
D. y = 2/x
B and C
500
Find the "whole" -
12 is 20% of what number?
60
500
Simplify the expression:
3x+7-8x+2-x
-6x+9