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Running in Circles
Equality Shmequality
That's not fair!
Justin Bieber
For every $100, I'll give you_________!
100
What is the circumference of a circle with a radius of 4 cm?
25.12 centimeters
100
Solve for x: 2x + 3 = 13
x = 5
100
Solve for the value of x: 2x + 3 > 11
x > 4
100
Write an equation for this situation: "The total cost is equal to the $10 movie ticket plus $2.50 for each bag of Skittles that you buy, x."
t = 10 + 2.50x
100
What is 5% of 210?
10.5
200
What is the area of a circle with a diameter of 20 feet?
314 square feet
200
Solve for y: 20 - 3y = 50
y = -10
200
3x - 4 < 12
x < 16/3 or 5 1/3
200
A painter makes 24 per hour. Write an equation to represent this situation. How much will the painter earn in 3.5 hours?
y = 24x The painter will earn $84 in 3.5 hours.
200
What is 35% of 680?
238
300
A circle has an area of 64(pi) square inches. What is the circumference of the circle?
16(pi) inches
300
What is the value of h below? h/3 + 5 = 20
h = 45
300
Write an inequality to represent this situation: "Michael's age, m, is less than 20"
m < 20
300
Write an equation to represent this situation: "The pool starts with 800 gallons of water and loses 10 gallons of water each minute, m. How many gallons, g, are left?"
g = 800 - 10m
300
The sales tax in Texas is 8%. Ms. Taylor spent $20 on her groceries. How much will she pay in sales tax?
$1.60
400
The circumference of a circle is 20(pi) yards. What is the area of the circle?
100(pi) square yards
400
Find the value of x: 3(x + 2) + 8 = 38
x = 8
400
Write an inequality to represent this situation: "The length of a rectangle is less than two more than 3 times the width of the rectangle."
L < 2 + 3w
400
At 9 am you have run 8 miles. You run 3 miles each hour. How many total miles have you run at 1 pm?
20 miles total
400
You start the semester with a 60% in math class, but by the end you have a 90%! What is the percent increase in your grade?
Your grade increased by 50%.
500
A glass coaster has a diameter of 8 cm. How many square inches of glass fit inside the coaster?
16(pi) square cm OR 50.24 square cm
500
4x + 30 = 10x + 6
x = 4
500
Write and SOLVE an inequality for the following situation: "Mariah has only $31 to spend at Target. She must buy a $5 bottle of detergent for her mom, and then she can buy b bottles of Coke for $2 each. How many bottles of Coke can she buy?"
5 + 2b < 31 b < 13 (So, Mariah can buy less than or equal to 13 bottles of Coke.)
500
Make a table of values to represent the equation: 2x + 4 = y Then, determine what y is when x = 102.
Tables will vary. y = 208 when x = 102.
500
The original cost of a laptop is $1200. The sales price is $900. What percent discount did you receive on the laptop?
You got a discount of 25%.