Integer Operations
Equivalent Expressions
Evaluating Expressions
Evaluating Equations
100
Mr. Guy has the following cards in the Integer game: 5, 4, -2, -6 What is his score?
What is 1
100
What is an equivalent expression for 2(x + y)?
What is 2x + 2y
100
Evaluate the expression 2x + 5y if x = -3 and y = 2
What is 4
100
Write an equation and solve: 3 more than some number is 7. What is the number?
What is 3 + x = 7; x = 4
200
Ms. Lady has the following cards: -3, 7, -4, -6 Which card should she discard to get her score closer to 0? What will her new score be?
What is -6, 0
200
A waiter writes the following expression for a tables order: 3(a + d + e) + 4e, where a is the cost of an appetizer, d is the cost of a drink, and e is the cost of an entree. Write an equivalent expression to represent the total cost of the table's meal.
What is 3a + 3d + 7e
200
Find the total cost of the tables meal if each appetizer is $7, each drink is $2, and each entree is $10 4(a + d) + 5e
What is $86
200
Write an equation and solve: Four more than two times a number is 20. What is the number?
What is 8
300
Mr. Lad has the following cards: -2, 5, 6, -4 He then picks a special card that doubles his hand. What is his new score?
What is 10
300
Kathy is renting a booth to sell lemonade. The booth costs $40 to rent for the day. She sells lemonade for $2 a cup. She has to pay 25 cents per cup of lemonade for the ingredients and cups. Write two expressions to represent how much money she makes if 'c' represents that cups of lemonade she sold
What is 2c - 0.25c - 40 or 1.75c - 40
300
The Adams Family spends $90 at their dinner, but have a coupon for 15% off. Which of the following expressions represents their new bill? How much is their new bills? A. 90 - 0.15*90 B. 90 + 0.15*90 C. 90 - 15 D. 90 - 0.15
What is A, 90 - 13.5 = $ 76.50
300
A fence has a length of 10 and an unknown width. If the total perimeter is 50 feet, how long is the width?
What is 15 feet
400
The Millennium Tower in San Francisco has sunk by 1 inch in the last 9 years. How much has it sunk each year if it is sinking by the same amount? Express this number as a decimal. Is this decimal a terminating or repeating decimal? How do you know?
What is 0.111 (repeating). It is a repeating decimal because when you divide 1 by 9, you get a repeating remainder.
400
Joe Cool is starting a book business and needs to buy $5000 of equipment. He is selling his book for $20 each. He spends $5 per book on paper and binding materials. Which of the following is NOT an expression for his profit? A. -5000 + 20b - 5b B. 15b - 5000 C. 15b + 5000 D. 20b - 5b - 5000
What is C. 15b + 5000
400
Jimmy flew to China to buy cheap iPhones. His ticket was $2000. He bought each iPhone for $50 and sells them for $250. Write an expression to represent his profit if 'p' is the number of phones he sells.
What is 250p - 50p - 2000 or 200p - 2000
400
A rectangular garden has a length that is twice the width (w). If the total perimeter is 360 feet, what are the length and width of the garden?
What is width = 60 feet and length = 120 feet
500
Little Timmy Goodyshoes has grown 15/4 inches in the last three years. How much did he grow per year? Express your answer as a decimal. Is this decimal terminating or repeating? How do you know? How much will he grow in 5 years if he grows at the same rate each year?
What is 3.75" per year, terminating, there is no remainder after 3.75, 18.75" in 5 years
500
The length of a rectangular envelope is 2 times its width. If it's width is x inches, write an expression to find the perimeter of the envelope
What is 6x (or 2x + 2x + x + x)
500
Jimmy flew to China to buy cheap iPhones. His ticket was $2000. He bought each iPhone for $50 and sells them for $250. How many phones would he have to sell to make up the cost of his plane ticket?
What is 10 phones.
500
Eight pizzas and two soda bottles that cost $2 each cost $60 total. What was the cost of each pizza?
What is 8p + 2 = 60, 8p = 58, p = $7.25
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