Study Guide Unit 1B: Multiplying & Dividing Rational Numbers (STA)

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Karson is dividing –20 by a negative integer (whole number). Which of the following statements describes the quotient Karson should get? (select two!)

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Which of the following expressions is equivalent to –9?

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Phillip purchases 33/4 pounds of carrots for $2.34 per pound, 2/3  pounds of potatoes for $3.42 per pound, and 22/5 pounds of onions for $1.55 per pound.  What is the total amount he spent on ALL vegetables? Use the table in the show your work section to help you find the answer.

How much does Phillip spend on carrots? _______ (hint: round to the nearest hundreths!)
How much does Phillip spend on potatoes? _______ 
How much does Phillip spend on onions? _______ 
How much does Phillip spend in ALL? _______ 

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Evaluate each expression below. Write your answer as an integer, fraction, or mixed number in simplest terms. Show your work.

_______ 

_______

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Yasmin works at Chick-fil-A and makes $11.50 per hour. She works 9 hours every Monday, Wednesday, and Friday. Since Yasmin is saving up to buy a car, she puts 35% of her earnings in a savings account. 

How much money does Yasmin earn in one day? _______
How much money does Yasmin earn in 3 days? _______ 
How do I write 35% as a decimal? _______ 
How much does Yasmin put in her savings account? _______ (hint: round to the nearest hundreths!)

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Use the information to answer the following question.

Jayla has a checking account. For each day that Jayla's checking account balance falls below zero, she is charged by the bank a fee of $3.75 per day. Her current balance in the account is –$4.75.

If Jayla does not make any deposits or withdrawals, what will be the new balance in her account after 5 days? Show your work.

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Use the information to answer questions 7 and 8.

Ms. Dolinski incorrectly evaluated the expression 5.8 – (3.4 – 7.3). Her work is shown below:

What was Ms. Dolinski's error? Explain using the properties of operations.

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What is the value of the expression below:

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Without solving, determine if the answers to the following expressions will be positive or negative. 

__________

__________

__________

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Use the information to answer questions 10 – 12.

Ms. Dolinski recorded the distance she ran every day this week on the table below.

When written as a decimal...
What is Wednesday's distance as a decimal? _______ 
Will Wednesday's distance be a repeating or a terminating decimal? _______

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Ms. Dolinski recorded the distance she ran every day this week on the table below.

When written as a decimal...

What is Thursday's distance as a decimal? _______(round to the nearest hundreths)
Will Thursday’s distance be a repeating or a terminating decimal? _______

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Ms. Dolinski recorded the distance she ran every day this week on the table below.


If Ms. Dolinski ran Wednesday’s distance 8 times a week, how much will she have run? _______ 
Would she reach her goal of 15 miles? (yes or no) _______ 

Study Guide Unit 1B: Multiplying & Dividing Rational Numbers (STA)

Karson is dividing –20 by a negative integer (whole number). Which of the following statements describes the quotient Karson should get? (select two!)

Which of the following expressions is equivalent to –9?

Use the information to answer questions 7 and 8.Ms. Dolinski incorrectly evaluated the expression 5.8 – (3.4 – 7.3). Her work is shown below:What was Ms. Dolinski's error? Explain using the properties of operations.

What is the value of the expression below:

Karson is dividing –20 by a negative integer (whole number). Which of the following statements describes the quotient Karson should get? (select two!)

Which of the following expressions is equivalent to –9?

Use the information to answer questions 7 and 8.Ms. Dolinski incorrectly evaluated the expression 5.8 – (3.4 – 7.3). Her work is shown below:What was Ms. Dolinski's error? Explain using the properties of operations.

What is the value of the expression below:

Use the information to answer questions 7 and 8.

Ms. Dolinski incorrectly evaluated the expression 5.8 – (3.4 – 7.3). Her work is shown below:

What was Ms. Dolinski's error? Explain using the properties of operations.

Use the information to answer questions 7 and 8.

Ms. Dolinski incorrectly evaluated the expression 5.8 – (3.4 – 7.3). Her work is shown below:

What was Ms. Dolinski's error? Explain using the properties of operations.