Question 1

Graph the numbers on the number line.
-$-3 \frac{2}{3},-1,1,3 \frac{2}{3}$

Accepted Answer

A) 
  
B)    
C) 
  
D) 
  
A) 
  
B)    
C) 
  
D)

Question 2

Find the sum.
-$-56+(44)$

Accepted Answer

A)  -100 
B)  100 
C)  -12 
D)  12 
A)  -100 
B)  100 
C)  -12 
D)  12

Question 3

Solve.
-The balance of your checking account was $\$ 89.25$. You then made a deposit for $\$ 116$, which cleared. What was the new balance?

Accepted Answer

A)  $\$ 205.25$ 
B)  $-\$ 27.25$ 
C)  $\$ 204.25$ 
D)  $\$ 205.75$ 
A)  $\$ 205.25$ 
B)  $-\$ 27.25$ 
C)  $\$ 204.25$ 
D)  $\$ 205.75$

Question 4

Solve the problem.
-Your bank account has $\$ 83$ in it when you write checks for $\$ 48, \$ 43$, and $\$ 11$. You then deposit $\$ 16$ and $\$ 26$. How much is in the account? Are you overdrawn?

Accepted Answer

A)  $\$ 34$, no 
B)  $\$-143$, yes 
C)  $\$ 143$, no 
D)  $\$ 23$, no 
A)  $\$ 34$, no 
B)  $\$-143$, yes 
C)  $\$ 143$, no 
D)  $\$ 23$, no

Question 5

Find the absolute value.
-$\left|\frac{7}{10}\right|$

Accepted Answer

A)  0 
B)  $-\frac{7}{10}$ 
C)  $\frac{7}{5}$ 
D)  $\frac{7}{10}$ 
A)  0 
B)  $-\frac{7}{10}$ 
C)  $\frac{7}{5}$ 
D)  $\frac{7}{10}$

Question 6

Divide.
-$-0.52 \div 2$

Accepted Answer

A)  -0.26 
B)  0.4 
C)  0.26 
D)  -0.4 
A)  -0.26 
B)  0.4 
C)  0.26 
D)  -0.4

Question 7

Add. Do not use a number line except as a check.
-$\left(-\frac{1}{4}\right)+\left(-10 \frac{3}{4}\right)$

Accepted Answer

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

Question 8

Subtract.
-$0.84-(-0.48)$

Accepted Answer

A)  1.42 
B)  1.32 
C)  0.36 
D)  0.4032 
A)  1.42 
B)  1.32 
C)  0.36 
D)  0.4032

Question 9

Solve.
-A tablet was discovered by archaeologists in 1976. The date inscribed on the tablet was 55 B.C. How old was the tablet when it was discovered?

Accepted Answer

A)  1931 years old 
B)  1921 years old 
C)  2041 years old 
D)  2031 years old 
A)  1931 years old 
B)  1921 years old 
C)  2041 years old 
D)  2031 years old

Question 10

Divide.
-$\left(\frac{1}{6}\right) \div\left(\frac{7}{16}\right)$

Accepted Answer

A)  $\frac{7}{96}$ 
B)  $-\frac{1}{42}$ 
C)  $\frac{3}{5}$ 
D)  $\frac{8}{21}$ 
A)  $\frac{7}{96}$ 
B)  $-\frac{1}{42}$ 
C)  $\frac{3}{5}$ 
D)  $\frac{8}{21}$

Question 11

Find the opposite of the number.
--3

Accepted Answer

A)  -3 
B)  $\frac{1}{3}$ 
C)  3 
D)  $-\frac{1}{3}$ 
A)  -3 
B)  $\frac{1}{3}$ 
C)  3 
D)  $-\frac{1}{3}$

Question 12

Find the sum.
-$-89+38$

Accepted Answer

A)  -51 
B)  51 
C)  -127 
D)  127 
A)  -51 
B)  51 
C)  -127 
D)  127

Question 13

Multiply.
-$-20 \cdot 2$

Accepted Answer

A)  20 
B)  -40 
C)  -42 
D)  -20 
A)  20 
B)  -40 
C)  -42 
D)  -20

Question 14

Find the product.
-$(-2.37)^{2}$

Accepted Answer

A)  -56.169 
B)  56.169 
C)  -0.56169 
D)  5.6169 
A)  -56.169 
B)  56.169 
C)  -0.56169 
D)  5.6169

Question 15

Subtract.
-$0.54-(-6.775)$

Accepted Answer

A)  6.235 
B)  7.415 
C)  7.315 
D)  3.659 
A)  6.235 
B)  7.415 
C)  7.315 
D)  3.659

Question 16

Combine.
-$18+(-17)-1-(-8)$

Accepted Answer

A)  28 
B)  -8 
C)  8 
D)  -6 
A)  28 
B)  -8 
C)  8 
D)  -6

Question 17

Decide if the inequality is correct.
-$-6>-8$

Accepted Answer

A) True 
 B)False

Question 18

Write a signed number for the statement.
-$\$ 343$ loss

Accepted Answer

A)  -343 
B)  343 
A)  -343 
B)  343

Question 19

Combine.
-$3.5+(-2.1)-(-4.4)-4.9+(-0.2)$

Accepted Answer

A)  0.7 
B)  10.5 
C)  1.7 
D)  6.3 
A)  0.7 
B)  10.5 
C)  1.7 
D)  6.3

Question 20

Solve the problem.
-The ocean surface is at $0 \mathrm{ft}$ elevation. A diver is underwater at an elevation of $-162 \mathrm{ft}$ near a rock formation. In this area, the ocean floor has an elevation of $-223 \mathrm{ft}$. The rock formation rises to a peak $200 \mathrm{ft}$ above the ocean floor. How many feet below the top of the rock formation is the diver?

Accepted Answer

A)  $61 \mathrm{ft}$ 
B)  $139 \mathrm{ft}$ 
C)  $23 \mathrm{ft}$ 
D)  $38 \mathrm{ft}$ 
A)  $61 \mathrm{ft}$ 
B)  $139 \mathrm{ft}$ 
C)  $23 \mathrm{ft}$ 
D)  $38 \mathrm{ft}$

Graph the numbers on the number line. - $-3 \frac{2}{3},-1,1,3 \frac{2}{3}$ $Graph the numbers on the number line. - -3 \frac{2}{3},-1,1,3 \frac{2}{3}$

Find the sum. - $-56+(44)$

Solve. -The balance of your checking account was $\$ 89.25$ . You then made a deposit for $\$ 116$ , which cleared. What was the new balance?

Solve the problem. -Your bank account has $\$ 83$ in it when you write checks for $\$ 48, \$ 43$ , and $\$ 11$ . You then deposit $\$ 16$ and $\$ 26$ . How much is in the account? Are you overdrawn?

Find the absolute value. - $\left|\frac{7}{10}\right|$

Divide. - $-0.52 \div 2$

Add. Do not use a number line except as a check. - $\left(-\frac{1}{4}\right)+\left(-10 \frac{3}{4}\right)$

Subtract. - $0.84-(-0.48)$

Solve. -A tablet was discovered by archaeologists in 1976. The date inscribed on the tablet was 55 B.C. How old was the tablet when it was discovered?

Divide. - $\left(\frac{1}{6}\right) \div\left(\frac{7}{16}\right)$

Find the opposite of the number. --3

Find the sum. - $-89+38$

Multiply. - $-20 \cdot 2$

Find the product. - $(-2.37)^{2}$

Subtract. - $0.54-(-6.775)$

Combine. - $18+(-17)-1-(-8)$

Decide if the inequality is correct. - $-6>-8$

Write a signed number for the statement. - $\$ 343$ loss

Combine. - $3.5+(-2.1)-(-4.4)-4.9+(-0.2)$

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Exam 7: Signed Numbers

Graph the numbers on the number line. - −323,−1,1,323-3 \frac{2}{3},-1,1,3 \frac{2}{3}−332​,−1,1,332​

Find the sum. - −56+(44)-56+(44)−56+(44)

Solve. -The balance of your checking account was $89.25\$ 89.25$89.25 . You then made a deposit for $116\$ 116$116 , which cleared. What was the new balance?

Solve the problem. -Your bank account has $83\$ 83$83 in it when you write checks for $48,$43\$ 48, \$ 43$48,$43 , and $11\$ 11$11 . You then deposit $16\$ 16$16 and $26\$ 26$26 . How much is in the account? Are you overdrawn?

Find the absolute value. - ∣710∣\left|\frac{7}{10}\right|​107​​

Divide. - −0.52÷2-0.52 \div 2−0.52÷2

Add. Do not use a number line except as a check. - (−14)+(−1034)\left(-\frac{1}{4}\right)+\left(-10 \frac{3}{4}\right)(−41​)+(−1043​)

Subtract. - 0.84−(−0.48)0.84-(-0.48)0.84−(−0.48)