Unit 1A Test: Number Systems (STA)

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Which of the following statements BEST describes a situation in which opposite quantities combine to make zero?

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Jeff won a contest to play a round of golf with Phil Mickleson. Mickleson’s final score was –6, but Jeff shot a 24. What is the difference between Phil and Jeff’s scores?

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At 5:00 a.m., the temperature outside was 6°F below zero. By noon, it rose by 15°F. At 7:00 p.m., the temperature dropped by 5°F. What was the evening temperature?

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Lindsay is playing a video game. She begins with an initial score of 500 points but loses 280 points throughout the game. She represents her score using the expression shown.

500 – 280

Which of the following expressions also represents Lindsay’s video game score?

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Kira owes Mark $5, and Mark owes Kira $7. Which of the following statements means the same thing?

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Use the number line to answer the following question.

Which two points could be added to make zero? Justify your answer using absolute values in the 'type a response' section.

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Use the information to answer questions 7 and 8.

The table shows the lowest elevations for four states.

What expression models the difference in elevation between the highest and the lowest elevation listed in the table?

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Use the information to answer the following question.

The price of a share of stock for company XYZ at the beginning of the week was $24.75. Over the next five days, the share of stock gained $2.50 on Monday, lost $3.25 on Tuesday, lost $0.75 on Wednesday, gained $1.25 on Thursday, and gained $4.75 on Friday.

What was the price of the share of stock at the end of Friday? Show your work.

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Use the information to answer questions 9.

Point A is located at -0.75 and point B is located at 0.25 on a number line.

1) Which of the following number lines has point A and B plotted correctly? __________

2) Which of the following expression shows how to find the distance between points A and B ? __________

3) Point C is the same distance from point B as point A, but it is not the same point. Where is point C, and explain your answer below in the show your work section. __________

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Match the following simplified expression to its correct property.

Draggable item		Corresponding Item
Distributive Property
Associative Property
Commutative Property

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Janice and Colby were asked to apply the properties of operations to find the value of the following expression.

Janice and Colby’s strategies are both shown.

Which student correctly found the value of the expression, and what was the error?

1

Use the expression to answer the following question.

Applying the properties of operations, what is the value of the expression? Use written explanations and show your work to explain your strategy in the show your work section.

Which of the following statements BEST describes a situation in which opposite quantities combine to make zero?

Jeff won a contest to play a round of golf with Phil Mickleson. Mickleson’s final score was –6, but Jeff shot a 24. What is the difference between Phil and Jeff’s scores?

At 5:00 a.m., the temperature outside was 6°F below zero. By noon, it rose by 15°F. At 7:00 p.m., the temperature dropped by 5°F. What was the evening temperature?

Lindsay is playing a video game. She begins with an initial score of 500 points but loses 280 points throughout the game. She represents her score using the expression shown. 500 – 280Which of the following expressions also represents Lindsay’s video game score?

Kira owes Mark $5, and Mark owes Kira $7. Which of the following statements means the same thing?

Use the number line to answer the following question.Which two points could be added to make zero? Justify your answer using absolute values in the 'type a response' section.

Use the information to answer questions 7 and 8.The table shows the lowest elevations for four states.What expression models the difference in elevation between the highest and the lowest elevation listed in the table?

Match the following simplified expression to its correct property.

Janice and Colby were asked to apply the properties of operations to find the value of the following expression.Janice and Colby’s strategies are both shown.Which student correctly found the value of the expression, and what was the error?

Use the expression to answer the following question. Applying the properties of operations, what is the value of the expression? Use written explanations and show your work to explain your strategy in the show your work section.

Lindsay is playing a video game. She begins with an initial score of 500 points but loses 280 points throughout the game. She represents her score using the expression shown.

500 – 280

Which of the following expressions also represents Lindsay’s video game score?

Use the number line to answer the following question.

Which two points could be added to make zero? Justify your answer using absolute values in the 'type a response' section.

Use the information to answer questions 7 and 8.

The table shows the lowest elevations for four states.

What expression models the difference in elevation between the highest and the lowest elevation listed in the table?

Janice and Colby were asked to apply the properties of operations to find the value of the following expression.

Janice and Colby’s strategies are both shown.

Which student correctly found the value of the expression, and what was the error?

Use the expression to answer the following question.

Applying the properties of operations, what is the value of the expression? Use written explanations and show your work to explain your strategy in the show your work section.