Question 1

Find the sum of $- 23 + ( - 16 )$ .

Accepted Answer

A)  -38 
B)  39 
C)  -39 
D)  -7 
E)  None of these 
A)  -38 
B)  39 
C)  -39 
D)  -7 
E)  None of these

Question 2

Match between columns
                        Premises: whole
natural
integer

Accepted Answer

The Answer of {0, ..., 5 , 6 , 7 is...

Question 3

A levee protects a town in a low-lying area from flooding. According to geologists, the banks of the levee are eroding at a rate of 7 feet per year. If something isn't done to correct the problem, what signed number indicates how much of the levee will erode during the next decade? 
__________ ft

Accepted Answer

The answer of A levee protects a town in a...

Question 4

Perform the operation. $( 3 ) ( - 1 ) ( 3 ) ( 4 )$

Accepted Answer

A)  11 
B)  0 
C)  -36 
D)  16 
A)  11 
B)  0 
C)  -36 
D)  16

Question 5

Find the value of the expression. $- | - 95 |$

Accepted Answer

A)  $- 95$ 
B)  $95$ 
C)  $70$ 
D)  $- 70$ 
E)  $0$ 
A)  $- 95$ 
B)  $95$ 
C)  $70$ 
D)  $- 70$ 
E)  $0$

Question 6

Add: $- 8 + 8$

Accepted Answer

A)  0 
B)  16 
C)  -16 
D)  20 
A)  0 
B)  16 
C)  -16 
D)  20

Question 7

Add. $20 + ( - 27 ) + ( - 10 )$

Accepted Answer

The answer of Add. \(20 + ( - 27 )...

Question 8

During normal operation, the ammeter on a car reads + 5. (See the illustration below.)   
If the headlights, which draw a current of 8 amps, and the radio, which draws a current of 3 amps, are both turned on, what number will the ammeter register? 
__________ amps

Accepted Answer

The answer of During normal operation, the ammeter on a...

Question 9

Perform the operation. $- 5 ( - 2 ) ( 1 )$

Accepted Answer

The answer of Perform the operation. \(- 5 ( -...

Question 10

Use a calculator to evaluate the expression. $30 ( - 781 )$

Accepted Answer

The answer of Use a calculator to evaluate the expression....

Question 11

Subtract: $- \frac { 4 } { 5 } - \frac { 1 } { 5 }$

Accepted Answer

A)  $- \frac { 1 } { 5 }$ 
B)  $1$ 
C)  $- 1$ 
D)  $\frac { 5 } { 10 }$ 
A)  $- \frac { 1 } { 5 }$ 
B)  $1$ 
C)  $- 1$ 
D)  $\frac { 5 } { 10 }$

Question 12

Evaluate the expression. $\frac { - 2 - 5 } { - [ 5 + ( - 6 ) ] }$

Accepted Answer

A)  $- 8$ 
B)  $- 7$ 
C)  $- 3$ 
D)  $- 10$ 
E)  $- 9$ 
A)  $- 8$ 
B)  $- 7$ 
C)  $- 3$ 
D)  $- 10$ 
E)  $- 9$

Question 13

Evaluate the following expression. $37 - | - 39.1 + ( - 40.2 ) | =$________

Accepted Answer

The answer of Evaluate the following expression. \(37 - |...

Question 14

Find the sum. 
-10 + (-11) =

Accepted Answer

The answer of Find the sum. 
-10 + (-11) =...

Question 15

After descending 30 feet, a scuba diver paused to check his equipment before descending an additional 80 feet. Use a signed number to represent the diver's final depth. 
Final depth = __________ feet

Accepted Answer

The answer of After descending 30 feet, a scuba diver...

Find the sum of $- 23 + ( - 16 )$ .

A levee protects a town in a low-lying area from flooding. According to geologists, the banks of the levee are eroding at a rate of 7 feet per year. If something isn't done to correct the problem, what signed number indicates how much of the levee will erode during the next decade? __________ ft

Perform the operation. $( 3 ) ( - 1 ) ( 3 ) ( 4 )$

Find the value of the expression. $- | - 95 |$

Add: $- 8 + 8$

Add. $20 + ( - 27 ) + ( - 10 )$

During normal operation, the ammeter on a car reads + 5. (See the illustration below.) If the headlights, which draw a current of 8 amps, and the radio, which draws a current of 3 amps, are both turned on, what number will the ammeter register? __________ amps

Perform the operation. $- 5 ( - 2 ) ( 1 )$

Use a calculator to evaluate the expression. $30 ( - 781 )$

Subtract: $- \frac { 4 } { 5 } - \frac { 1 } { 5 }$

Evaluate the expression. $\frac { - 2 - 5 } { - [ 5 + ( - 6 ) ] }$

Evaluate the following expression. $37 - | - 39.1 + ( - 40.2 ) | =$ ________

Find the sum. -10 + (-11) =

After descending 30 feet, a scuba diver paused to check his equipment before descending an additional 80 feet. Use a signed number to represent the diver's final depth. Final depth = __________ feet

Whole Numbers

Fractions and Mixed Numbers

Decimals

Ratio, Proportion, and Measurement

Percent

Graphs, Statistics, and Probability

An Introduction to Algebra

An Introduction to Geometry

Filters

Exam 2: The Integers

Find the sum of −23+(−16)- 23 + ( - 16 )−23+(−16) .

A levee protects a town in a low-lying area from flooding. According to geologists, the banks of the levee are eroding at a rate of 7 feet per year. If something isn't done to correct the problem, what signed number indicates how much of the levee will erode during the next decade? __________ ft

Perform the operation. (3)(−1)(3)(4)( 3 ) ( - 1 ) ( 3 ) ( 4 )(3)(−1)(3)(4)

Find the value of the expression. −∣−95∣- | - 95 |−∣−95∣

Add: −8+8- 8 + 8−8+8

Add. 20+(−27)+(−10)20 + ( - 27 ) + ( - 10 )20+(−27)+(−10)

During normal operation, the ammeter on a car reads + 5. (See the illustration below.) If the headlights, which draw a current of 8 amps, and the radio, which draws a current of 3 amps, are both turned on, what number will the ammeter register? __________ amps

Perform the operation. −5(−2)(1)- 5 ( - 2 ) ( 1 )−5(−2)(1)

Use a calculator to evaluate the expression. 30(−781)30 ( - 781 )30(−781)

Subtract: −45−15- \frac { 4 } { 5 } - \frac { 1 } { 5 }−54​−51​

Evaluate the expression. −2−5−[5+(−6)]\frac { - 2 - 5 } { - [ 5 + ( - 6 ) ] }−[5+(−6)]−2−5​

Evaluate the following expression. 37−∣−39.1+(−40.2)∣=37 - | - 39.1 + ( - 40.2 ) | =37−∣−39.1+(−40.2)∣= ________

Find the sum. -10 + (-11) =

After descending 30 feet, a scuba diver paused to check his equipment before descending an additional 80 feet. Use a signed number to represent the diver's final depth. Final depth = __________ feet

Whole Numbers

Fractions and Mixed Numbers

Decimals

Ratio, Proportion, and Measurement

Percent

Graphs, Statistics, and Probability

An Introduction to Algebra

An Introduction to Geometry

Filters

Find the sum of $- 23 + ( - 16 )$ .

Perform the operation. $( 3 ) ( - 1 ) ( 3 ) ( 4 )$

Find the value of the expression. $- | - 95 |$

Add: $- 8 + 8$

Add. $20 + ( - 27 ) + ( - 10 )$

Perform the operation. $- 5 ( - 2 ) ( 1 )$

Use a calculator to evaluate the expression. $30 ( - 781 )$

Subtract: $- \frac { 4 } { 5 } - \frac { 1 } { 5 }$

Evaluate the expression. $\frac { - 2 - 5 } { - [ 5 + ( - 6 ) ] }$

Evaluate the following expression. $37 - | - 39.1 + ( - 40.2 ) | =$ ________