Unit 9 Review

During a card game, Larry won 50 points in round one. During round two, he lost 110 points. In the third round, he won 40 points. What is Larry’s total score at the end of three rounds? (Hint: Add all your integers. Which ones are positive/negative?) Show ALL work.

Tags

CCSS.7.NS.A.1C

Use the number line to determine the sum -6 + 5.

Tags

CCSS.7.NS.A.1B

The average daily temperature in Loften, TN went from -18°F in January to 34°F in March. What was the change in average daily temperature from January to March? (*Draw a vertical number line) The average temperature _________ by ________ degrees F.

• rose by 52

• fell by 52

• fell by 16

• rose by 16

Tags

CCSS.7.NS.A.1C

The product (answer to a multiplication problem) of two numbers is negative. What statement is TRUE? (Hint: Write an equation to represent this situation to help you answer the question.)

• The signs of both numbers are negative.

• The sign of one number is positive and the sign of the other number is negative.

• No conclusion can be made about the sign of the quotient.

• The quotient (answer to division problem) of the two numbers is positive.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Which expression does NOT have a value of -24?

• (-12) x (2)

• -48 ÷ 2

• (-24) - (-48)

• (-6) x 4

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Logan owns 225 shares of stock in a technology company. The total value of the shares change by -$16,875. By how much does the value of each share of stock change? (Hint: How can you use the answer choice to help you? What operation are we using?)

• $75

• -$75

• $175

• -$175

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Which statement explains how you can use a number line to determine the number that is 3 less than -4? Go to ________ on the number line and then move ________ units to the ________.

• Go to 4 on the number line and then move 3 units to the left.

• Go to -4 on the number line and then move 3 units to the right.

• Go to -4 on the number line and then move 3 units to the left.

• Go to 4 on the number line and then move 3 units to the right.

Tags

CCSS.7.NS.A.1B

What sum or difference is shown by the figure?

• (-10) + 4 = -6

• (-6) + (-10) = 4

• 6 - (-10) = -4

• (-4) + (-10) = 6

Tags

CCSS.7.NS.A.1B

Which expression is represented on the number line?

• -12 + (-3)

• (-4) + (-4) + (-4) + (-4)

• -3 x (-4)

• 3 x (-4)

Tags

CCSS.7.NS.A.1B

Write a number sentence to represent the model. Explain how you determined the number sentence.

Tags

CCSS.7.NS.A.1C