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Unit 1A Test: Number Systems (STA)

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Last updated over 1 year ago
12 questions
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Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

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?

Question 8
8.

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.

Question 9
9.
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. __________
Question 10
10.

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Question 11
11.

Question 12
12.

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?
Shawna made 8 cups of soup and divided the soup into 8 containers.
Marco missed 4 questions on a test in which each question was worth 4 points.
Melanie deposited $10 in her savings account and then withdrew $10 from the account.
Peter scored 2 goals in the first period of a hockey game and 2 goals in the second period.
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?
30
-30
18
-18
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?
–26°F
4°F
14°F
26°F
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?
280 – 500
280 + 500
500 – (–280)
500 + (–280)
Kira owes Mark $5, and Mark owes Kira $7. Which of the following statements means the same thing?
Kira owes Mark $2.
Kira owes Mark $12.
Mark owes Kira $2.
Mark owes Kira $12.
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.

E and G
F and H
F and G
E and F
Match the following simplified expression to its correct property.
Commutative Property
Distributive Property
Associative 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?
Janice is correct. Colby made an error in Step 1.
Janice is correct. Colby made an error in Step 3.
Colby is correct. Janice made an error in Step 2.
Colby is correct. Janice made an error in Step 4.