March MATHness Grade 7 Week 2

Andrea is buying a book for her book club at an online store.  She can choose to use one of the three offers that are shown in the picture. The online store charges a flat rate of $4.99 for shipping.  Andrea is buying a book for $26.34. She can buy the same book with a hardcover for $3 more. Which option is the least expensive for Andrea?

• Buy the book without any deal.

• Upgrade the book to hardcover and use Offer #1

• Order another small item for $4 dollars and use Offer  #2

• Order another small item for $4 and use Offer #3

Cesar bought 20 boxes of pizza. He gave 14 boxes of pizza to his classmates. Write the percentage of pizzas left.

The number line shows a set of operations.

Select the expression that represents the operations shown on the number line.

• -6x – x + 9x

• -6x – x + (-9x)

• -30x – 5x + (45x)

• -6x – ½x + 9x 

Which number line shows the solution to the inequality  –4k + 5 > 21 ?

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Select the expression equivalent to (9.4p – 3d) – (-8d + 4.5p).

• 13.9p + 11d   

• 4.9p + 5d

• 13.9p – 11d

• 4.9p – 5d

Enter the value of y so that the expression -3(2 + x) is equivalent to -3(x + y).

Select ALL expressions that show the distance between A and B.

• 4 + (–6)

• 4 – (–6) 

Jose is making Kool Aid for his class. He knows the amount of Kool Aid is proportional to the amount of water used.  

Which of the following could represent the relationship between the amount of Kool Aid and water Jose should use in the mixture?

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This diagram shows how much blue paint is mixed with red paint to make purple paint.  Write the number of cups of blue paint used for each cup of red paint.