Question 1

Solve the problem.
-Which is warmer: a temperature of -24 degrees Fahrenheit or a temperature of -27 degrees Fahrenheit?

Accepted Answer

A)  - 24 degrees Fahrenheit 
B)  -27 degrees Fahrenheit 
A)  - 24 degrees Fahrenheit 
B)  -27 degrees Fahrenheit

Question 2

Add the numbers using the number line.
-$8+(-2)$

Accepted Answer

A)  6 
B)  -10 
C)  -6 
D)  10 
A)  6 
B)  -10 
C)  -6 
D)  10

Question 3

Find the absolute value.
-$\left|4 \frac{3}{7}\right|$

Accepted Answer

A)  $-4 \frac{3}{7}$ 
B)  $4 \frac{3}{7}$ 
C)  $-7 \frac{3}{4}$ 
D)  $7 \frac{3}{4}$ 
A)  $-4 \frac{3}{7}$ 
B)  $4 \frac{3}{7}$ 
C)  $-7 \frac{3}{4}$ 
D)  $7 \frac{3}{4}$

Question 4

Divide.
-$44.2 \div(-5.2)$

Accepted Answer

A)  8.5 
B)  0.85 
C)  -8.5 
D)  -0.85 
A)  8.5 
B)  0.85 
C)  -8.5 
D)  -0.85

Question 5

Find the larger number.
--3.831 and -4

Accepted Answer

A)  -3.831 
B)  -4 
A)  -3.831 
B)  -4

Question 6

Perform the operation. Write the answer as a mixed number.
-$5 \frac{3}{4}-\left(-5 \frac{1}{2}\right)$

Accepted Answer

A)  $9 \frac{1}{4}$ 
B)  $11 \frac{1}{8}$ 
C)  $10 \frac{1}{2}$ 
D)  $11 \frac{1}{4}$ 
A)  $9 \frac{1}{4}$ 
B)  $11 \frac{1}{8}$ 
C)  $10 \frac{1}{2}$ 
D)  $11 \frac{1}{4}$

Question 7

Subtract.
-$4.965-(-0.78)$

Accepted Answer

A)  4.185 
B)  3.873 
C)  5.845 
D)  5.745 
A)  4.185 
B)  3.873 
C)  5.845 
D)  5.745

Question 8

Multiply.
-$4 \cdot(-3) \cdot(-5) \cdot 5 \cdot(-3)$

Accepted Answer

A)  303 
B)  900 
C)  -2 
D)  -900 
A)  303 
B)  900 
C)  -2 
D)  -900

Question 9

Divide.
-$-3.2 \div 0.04$

Accepted Answer

A)  -31.6 
B)  -80 
C)  $\frac{1}{80}$ 
D)  -3.16 
A)  -31.6 
B)  -80 
C)  $\frac{1}{80}$ 
D)  -3.16

Question 10

Combine.
-$10-(-13)+20$

Accepted Answer

A)  17 
B)  23 
C)  -23 
D)  43 
A)  17 
B)  23 
C)  -23 
D)  43

Question 11

Multiply.
-$-8 \cdot 17$

Accepted Answer

A)  -153 
B)  -128 
C)  128 
D)  -136 
A)  -153 
B)  -128 
C)  128 
D)  -136

Question 12

Simplify.
-$\frac{1}{5}(-10)+30$

Accepted Answer

A)  32 
B)  -28 
C)  -32 
D)  28 
A)  32 
B)  -28 
C)  -32 
D)  28

Question 13

Subtract.
--9 - 18

Accepted Answer

A)  -27 
B)  -9 
C)  9 
D)  27 
A)  -27 
B)  -9 
C)  9 
D)  27

Question 14

Find the sum.
-$-9+2$

Accepted Answer

A)  7 
B)  11 
C)  -11 
D)  -7 
A)  7 
B)  11 
C)  -11 
D)  -7

Question 15

Decide if the inequality is correct.
-$4.5>4.7$

Accepted Answer

A) True 
 B)False

Question 16

Subtract.
-$8-21$

Accepted Answer

A)  -29 
B)  -13 
C)  29 
D)  13 
A)  -29 
B)  -13 
C)  29 
D)  13

Question 17

Perform the indicated operation or operations.
-$\left(-\frac{20}{17}\right)\left(\frac{11}{9}\right)$

Accepted Answer

A)  $-\frac{220}{153}$ 
B)  $-\frac{187}{180}$ 
C)  $-\frac{20}{153}$ 
D)  $-\frac{31}{8}$ 
A)  $-\frac{220}{153}$ 
B)  $-\frac{187}{180}$ 
C)  $-\frac{20}{153}$ 
D)  $-\frac{31}{8}$

Question 18

Add. Do not use a number line except as a check.
-$\frac{1}{2}+\left(-6 \frac{4}{5}\right)$

Accepted Answer

A)  $-5 \frac{9}{10}$ 
B)  $-6 \frac{3}{5}$ 
C)  $-6 \frac{3}{10}$ 
D)  $-7 \frac{3}{10}$ 
A)  $-5 \frac{9}{10}$ 
B)  $-6 \frac{3}{5}$ 
C)  $-6 \frac{3}{10}$ 
D)  $-7 \frac{3}{10}$

Question 19

Find the larger number.
-5.1 and -7

Accepted Answer

A)  5.1 
B)  -7 
A)  5.1 
B)  -7

Question 20

Find the absolute value.
-$\left|-\frac{12}{19}\right|$

Accepted Answer

A)  $\frac{24}{19}$ 
B)  $\frac{12}{19}$ 
C)  0 
D)  $-\frac{12}{19}$ 
A)  $\frac{24}{19}$ 
B)  $\frac{12}{19}$ 
C)  0 
D)  $-\frac{12}{19}$

Solve the problem. -Which is warmer: a temperature of -24 degrees Fahrenheit or a temperature of -27 degrees Fahrenheit?

Add the numbers using the number line. - $8+(-2)$

Find the absolute value. - $\left|4 \frac{3}{7}\right|$

Divide. - $44.2 \div(-5.2)$

Find the larger number. --3.831 and -4

Perform the operation. Write the answer as a mixed number. - $5 \frac{3}{4}-\left(-5 \frac{1}{2}\right)$

Subtract. - $4.965-(-0.78)$

Multiply. - $4 \cdot(-3) \cdot(-5) \cdot 5 \cdot(-3)$

Divide. - $-3.2 \div 0.04$

Combine. - $10-(-13)+20$

Multiply. - $-8 \cdot 17$

Simplify. - $\frac{1}{5}(-10)+30$

Subtract. --9 - 18

Find the sum. - $-9+2$

Decide if the inequality is correct. - $4.5>4.7$

Subtract. - $8-21$

Perform the indicated operation or operations. - $\left(-\frac{20}{17}\right)\left(\frac{11}{9}\right)$

Add. Do not use a number line except as a check. - $\frac{1}{2}+\left(-6 \frac{4}{5}\right)$

Find the larger number. -5.1 and -7

Find the absolute value. - $\left|-\frac{12}{19}\right|$

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Exam 7: Signed Numbers

Solve the problem. -Which is warmer: a temperature of -24 degrees Fahrenheit or a temperature of -27 degrees Fahrenheit?

Add the numbers using the number line. - 8+(−2)8+(-2)8+(−2)

Find the absolute value. - ∣437∣\left|4 \frac{3}{7}\right|​473​​

Divide. - 44.2÷(−5.2)44.2 \div(-5.2)44.2÷(−5.2)

Find the larger number. --3.831 and -4

Perform the operation. Write the answer as a mixed number. - 534−(−512)5 \frac{3}{4}-\left(-5 \frac{1}{2}\right)543​−(−521​)

Subtract. - 4.965−(−0.78)4.965-(-0.78)4.965−(−0.78)

Multiply. - 4⋅(−3)⋅(−5)⋅5⋅(−3)4 \cdot(-3) \cdot(-5) \cdot 5 \cdot(-3)4⋅(−3)⋅(−5)⋅5⋅(−3)

Divide. - −3.2÷0.04-3.2 \div 0.04−3.2÷0.04

Combine. - 10−(−13)+2010-(-13)+2010−(−13)+20

Multiply. - −8⋅17-8 \cdot 17−8⋅17

Simplify. - 15(−10)+30\frac{1}{5}(-10)+3051​(−10)+30