Constant of Proportionality
Equations and Expressions
Percent
Integers
Circles
Geometry
Grab
Bag
Bag
100
What is the constant of proportionality?
What is 15?
100
Evaluate 3x + 6 = 39
What is 11?
100
Evaluate 150% of 40
What is 60?
100
Evaluate (-6)(5)
What is -30?
100
What is the formula for finding Circumfernce?
What is
C=d*pi
100
Supplementary angles add up to how many degrees?
What is 180 degrees?
100
Mr. Garcia's class is harvesting the school garden. The rectangular garden is twenty-five feet by fifteen feet. What is the area of the garden?
What is 375 square feet?
200
Two proportional lines are graphed below. Which statement is correct?
What is B?
200
Simplify the following expression: -4x - 7x + 9
What is -11x + 9?
200
A store has 300 items in stock. If 60% are on sale, how many items are on sale?
What is 180?
200
A bank account has −$50 (overdrawn). A deposit of $75 is made. What is the new balance?
What is $25?
200
What is the circumference of a circle with a radius of 7cm?
What is 43.96cm
C = 2r *pi
200
What relationship is shown below?
What is Vertical angles?
200
Find the value of x
What is 62 degrees
300
The table shows a proportional relationship. Find the missing value.
What is 12?
300
Find the value of y
8y + 2 = 50
What is y=6
300
Sam went to Applebees for dinner. He left a 20% tip. His bill was $73.56. How much does he leave for a tip?
What is $14.71?
73.56 * 20%
300
Evaluate −4y + 10 when y = 3
What is -2?
300
You have a circle with a radius of 5 cm. What is the Area?
pi = 3.14
What is 78.5cm2?
A = r^2*pi
A = 5^2 * 3.14
300
A triangle has these two angles: 60 degrees and 85 degrees. What is the measure of the third angle?
What is 35 degrees?
300
Simplify 3x - 6 + (-2x) - 4
What is x-10?
400
Given the equation y = -3x, what is the constant of proportionality?
What is -3?
400
Solve 5(n + 3) = −10.
What is -5?
5(n+3)=-10
5n+15=-10
5n=-25
n=-5
400
Tammy purchase items for a total of $82.65. She had a coupon for 15% off a purchase of $50 or more. How much did Tammy pay for her items?
What is $70.25?
82.65*(100%-15%)
400
Solve
-2(52) - (-50) + (-4)
What is -4?
400
A pizza has a radius of 7 inches. What is the area of the pizza? Use π ≈ 3.14
What is 153.86in2?
A= r^2*pi
A=7*7*3.14
400
What is the surface area of a rectangular prism with a a base length of 5cm and width of 3cm, and a height of 4cm?
What is 94cm2?
5*3*2 = 30
5*4*2 = 40
3*4*2 = 24
30+40+24 = 94
400
The graph below shows a proportional relationship. What is the constant of proportionality? 
What is k = 3/2
500
A factory produces widgets at a constant rate. In 2 1/2 hours it makes 175 widgets. What is k in widgets per hour?
What is k=70 widgets per hour?
175 divide2 1/2
500
Solve 2(4x − 3) = 26.
What is 4?
2(4x-3)=26
8x-6=26
8x = 32
x = 4
500
An architect estimated a building would be 45 meters tall. The actual height is 42 meters. What is the percent error (rounded to the nearest tenth)?
What is 7.1%?
(45-42) divide 42 * 100
3/42 *100
0.0714 * 100
500
(-)(+)(-)(-)(+)(-)(+)(-)
The answer will be __________
What is negative?
500
Two circles with the same center are shown with measurements in feet. What is the circumference of the larger circle?
pi = 3.14
What is 471ft?
C=pi*d
C=150 * 3.14
500
What is the total surface area of the triangular prism in square centimeters?
What is 840cm2?
13*20=260
10*20=200
13*20=260
10*12/2=60
10*12/2=60
60+60+260+200+260
500
Triangle KLM and its side lengths in centimeters are shown. Triangle KLM is enlarged to create similar triangle XYZ. What is the measurement in centimeters for each of the missing side lengths in triangle XYZ?
What is 25cm and 35cm?
Scale factor
30 divide 12 = 2.5
2.5 * 10 = 25
2.5 * 14 = 35