Rational Number Operations Quick Check

Which of the following rational numbers can be multiplied by two and result in a number greater than two?

• 5/6

• 8/9

• 9/8

• 11/12

Which expression is best represented by the number line model?

The weather report shows the 5-day forecast in St. Paul, Minnesota. What is the sum of the various temperatures over the period of five days?

• -4°

• 2°

• -3°

• -2°

• 1/4

• 3/4

• 1/3

• 2/3

A card game requires that you have a sum of 5 in order to win. Based on the cards shown below, will Cameron win the game?

• Yes, because he has a sum of 7.

• No, because he has a sum of -16.

• No, because he has a sum of 2.

• No, because he has a sum of 0.

Which diagram correctly depicts the expression below?

-5 – 2

• Diagram F

• Diagram G

• Diagram H

• Diagram J

Mrs. Kenny teaches a ceramics class. She finds that she has 7/8 of a pound of clay for a project. The project requires 1/6 of a pound. How many projects can Mrs. Kenny complete without running out of clay?

• 6

• 7

The parent teacher association is raising money for a new swing set. They need $682.56 to purchase the swing set and receive a $200.00 donation. The remaining amount will be equally divided among 8 different student groups to raise. How much money will each student group need to raise in order to purchase the swing set?

Mathematical Equivalence

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