Question 1

Simplify the given expression
- 7⋅4−15÷57 \cdot 4-15 \div 57⋅4−15÷5

Accepted Answer

A)   0
B)   25
C)    135\frac{13}{5}513​ 
D)   31 E) None of the above
F) B) and C)

Question 2

During one year 28 new employees began work at Daniel's Manufacturing Company and 19 employees left. At the beginning of the year there were 219 employees. What was the number of employees at the end of the year?

Accepted Answer

A)   172 employees
B)   228 employees
C)   266 employees
D)   247 employeesE) B) and C)
F) A) and D)

Question 3

Simplify .
- (58+12) ⋅813\left(\frac{5}{8}+\frac{1}{2}\right)  \cdot \frac{8}{13}(85​+21​) ⋅138​

Accepted Answer

A)    1729\frac{17}{29}2917​ 
B)    7213\frac{72}{13}1372​ 
C)    17104\frac{17}{104}10417​ 
D)    913\frac{9}{13}139​E) A) and C)
F) A) and B)

Question 4

In 13 weeks, the value of Bob Treatman's day trading account decreased by  $650\$ 650$650 . What was the average weekly change in the value of the account?

Accepted Answer

A)    $48\$ 48$48  per week
B)   -  $52\$ 52$52  per week
C)   -  $50\$ 50$50  per week
D)   - \$56 per week E) B) and C)
F) A) and D)

Question 5

Write the appropriate symbol, between the following integers
--124___ 17

Accepted Answer

A) ">>>> B) <<

Question 6

Find the missing number
- (54) ?=2516\left(\frac{5}{4}\right) ^{?}=\frac{25}{16}(45​) ?=1625​

Accepted Answer

A)    12\frac{1}{2}21​ 
B)    −12-\frac{1}{2}−21​ 
C)   -2
D)   2 E) All of the above
F) B) and C)

Question 7

45÷15⋅(38−12) \frac{4}{5} \div \frac{1}{5} \cdot\left(\frac{3}{8}-\frac{1}{2}\right) 54​÷51​⋅(83​−21​)

Accepted Answer

A)    −12-\frac{1}{2}−21​ 
B)    1141 \frac{1}{4}141​ 
C)   - 32
D)    −150-\frac{1}{50}−501​E) A) and C)
F) A) and D)

Question 8

Multiply
- −10(−3) -10(-3) −10(−3)

Accepted Answer

A)    103\frac{10}{3}310​ 
B)   -30
C)   30
D)   -13 E) B) and C)
F) A) and D)

Question 9

Multiply
- −1⋅15-1 \cdot 15−1⋅15

Accepted Answer

A)   -15
B)    −115-\frac{1}{15}−151​ 
C)   - 1
D)   15 E) All of the above
F) B) and C)

Question 10

Multiply
- −7(−3) (−10) ⋅7-7(-3) (- 10)  \cdot7−7(−3) (−10) ⋅7

Accepted Answer

A)   1470
B)   -1470
C)   157
D)   - 13\end{itemize} E) A) and C)
F) C) and D)

Question 11

Simplify the given expression
- 16+23⋅2516+23 \cdot 2516+23⋅25

Accepted Answer

A)   64
B)   393
C)   975
D)   591 E) None of the above
F) A) and B)

Question 12

Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible."
- −2+8-2+8−2+8

Accepted Answer

A)   -10
B)   6
C)   -6
D)   10 E) None of the above
F) A) and C)

Question 13

Divide, if possible.
- 44÷(−22) 44 \div(-22) 44÷(−22)

Accepted Answer

A)   -12
B)    −12-\frac{1}{2}−21​ 
C)   -2
D)   2 E) B) and D)
F) B) and C)

Question 14

Find the missing number
- 5?=1255^ ?=1255?=125

Accepted Answer

A)   2
B)   4
C)   3
D)   -3 E) B) and C)
F) A) and D)

Question 15

Simplify .
- 102+9⋅8−(8+5⋅2) 10^{2}+9 \cdot 8-(8+5 \cdot 2) 102+9⋅8−(8+5⋅2)

Accepted Answer

A)   854
B)   146
C)   154
D)   174 E) A) and D)
F) A) and C)

Question 16

You withdraw  $63\$ 63$63  a week from a savings account for 6 weeks. What is the overall change in the account?

Accepted Answer

A)    $69\$ 69$69 
B)    −$69-\$ 69−$69 
C)    $378\$ 378$378 
D)    −$378-\$ 378−$378E) B) and D)
F) B) and C)

Question 17

Find the absolute value.
-|- 18|

Accepted Answer

A)   18
B)   0
C)   - 18
D)    −118-\frac{1}{18}−181​E) A) and B)
F) A) and D)

Question 18

Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible."
- −19+(−7) -19+(-7) −19+(−7)

Accepted Answer

A)   26
B)   - 12
C)   12
D)   - 26 E) A) and B)
F) B) and C)

Question 19

Simplify .
- 82+428^{2}+4^{2}82+42

Accepted Answer

A)   80
B)   48
C)   24
D)   144 E) B) and C)
F) C) and D)

Question 20

Simplify.
-11 -  19−1219-1219−12

Accepted Answer

A)   4
B)   -20
C)   -42
D)   18 E) None of the above
F) A) and B)

Exam 1: Review of Real Numbers

Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible." - −19+(−7) -19+(-7) −19+(−7)

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Multiply - −10(−3) -10(-3) −10(−3)

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In 13 weeks, the value of Bob Treatman's day trading account decreased by $650\$ 650$650 . What was the average weekly change in the value of the account?

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Simplify . - 102+9⋅8−(8+5⋅2) 10^{2}+9 \cdot 8-(8+5 \cdot 2) 102+9⋅8−(8+5⋅2)

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Simplify . - (58+12) ⋅813\left(\frac{5}{8}+\frac{1}{2}\right) \cdot \frac{8}{13}(85​+21​) ⋅138​

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Find the missing number - (54) ?=2516\left(\frac{5}{4}\right) ^{?}=\frac{25}{16}(45​) ?=1625​

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Find the absolute value. -|- 18|

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Multiply - −1⋅15-1 \cdot 15−1⋅15

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Write the appropriate symbol, between the following integers --124___ 17

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Simplify . - 82+428^{2}+4^{2}82+42

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You withdraw $63\$ 63$63 a week from a savings account for 6 weeks. What is the overall change in the account?

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Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible." - −2+8-2+8−2+8

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Simplify the given expression - 16+23⋅2516+23 \cdot 2516+23⋅25

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Divide, if possible. - 44÷(−22) 44 \div(-22) 44÷(−22)

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During one year 28 new employees began work at Daniel's Manufacturing Company and 19 employees left. At the beginning of the year there were 219 employees. What was the number of employees at the end of the year?

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Simplify the given expression - 7⋅4−15÷57 \cdot 4-15 \div 57⋅4−15÷5

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Find the missing number - 5?=1255^ ?=1255?=125

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Multiply - −7(−3) (−10) ⋅7-7(-3) (- 10) \cdot7−7(−3) (−10) ⋅7

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45÷15⋅(38−12) \frac{4}{5} \div \frac{1}{5} \cdot\left(\frac{3}{8}-\frac{1}{2}\right) 54​÷51​⋅(83​−21​)

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Simplify. -11 - 19−1219-1219−12

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Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible." - $-19+(-7)$

Correct Answer
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Multiply - $-10(-3)$

Correct Answer
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In 13 weeks, the value of Bob Treatman's day trading account decreased by $\$ 650$ . What was the average weekly change in the value of the account?

Correct Answer
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Simplify . - $10^{2}+9 \cdot 8-(8+5 \cdot 2)$

Correct Answer
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Simplify . - $\left(\frac{5}{8}+\frac{1}{2}\right) \cdot \frac{8}{13}$

Correct Answer
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Find the missing number - $\left(\frac{5}{4}\right) ^{?}=\frac{25}{16}$

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Multiply - $-1 \cdot 15$

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Simplify . - $8^{2}+4^{2}$

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You withdraw $\$ 63$ a week from a savings account for 6 weeks. What is the overall change in the account?

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Find the missing number, if possible. There may be more than one number that works, so find as many as possible. If no number works, write "No number possible." - $-2+8$

Correct Answer
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Simplify the given expression - $16+23 \cdot 25$

Correct Answer
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Divide, if possible. - $44 \div(-22)$

Correct Answer
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Simplify the given expression - $7 \cdot 4-15 \div 5$

Correct Answer
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Find the missing number - $5^ ?=125$

Correct Answer
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Multiply - $-7(-3) (- 10) \cdot7$

Correct Answer
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$\frac{4}{5} \div \frac{1}{5} \cdot\left(\frac{3}{8}-\frac{1}{2}\right)$

Correct Answer
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Simplify. -11 - $19-12$

Correct Answer
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