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Writing Equations
Solving Equations
Proportions
100
Write an expression for Four more than twice a number
What is 2x + 4 or 4 + 2x
100
The sum of three consecutive even integers is 66. What is the second of these numbers?
What is 22
100
Little Timmy Goodyshoes is selling lemonade. He makes $8 in his first two hours. At this rate, how much will he make at the end of an 8 hour day?
What is $32
200
Write an expression for half of the sum of a number and the square of 2
What is (x + 4)/2
200
The first angle in a triangle has some measure. The second angle has twice the measure of the first angle. The third angle is twice the sum of the first two angles. What kind of triangle is this based on its angles?
What is obtuse (20, 40 120 degree angles)
200
Three pounds of pinon nuts cost $28.50. How much would 8 pounds cost?
What is $76
300
Write an expression for "5 more than 2/3 of a 390 page book"
What is 5 + 2/3* 390 or 5 + 260 or 265
300
Kris has a certain amount of money. If he spends $20 of it, he will have 1/3 of it left. How much money did he have to begin with?
What is $30
300
Four pounds of organic bananas are advertised as $4.60. You buy 6 lbs and the price shows as $7.20. Is there a problem with the scale?
What is yes, it is over-charging you at $1.20 a pound whereas the ad is $1.15 a pound.
400
Write an equation for 1/5 of four less than Jon's age is half of 32.
What is 1/5 (x - 4) = 16
400
Solve the equation 5x + 4 = 5(x - 2). Explain your answer
What is No solution, because you are adding 4 to one side and subtracting 2 from the other side
400
A recipe calls for two and two thirds cups of milk for a serving size for four people. How much milk would you need to make the same recipe for three people?
What is 2 cups
500
Write an expression for the perimeter of a rectangle if one side is 4 more than the other side.
What is 4x + 8
500
Write an equation that has no solution and explain why it does not.
What is ???
500
Reeses Sallars is running on the track. He runs 2.5 miles in 20 minutes. How far is he running every 30 seconds?
What is 0.0625 miles