Adding and Subtracting Integers

Adding a negative number

Multiple Choice

2 + (-1) is the same as

• 2 - (-1)

• 2 - 1

• 2 + 1

• -2 + 1

Multiple Choice

2 + (-1) =

• 3

• -3

• 1

• -1

Multiple Choice

4 + (-2) is the same as

• -4 - 2

• 4 + 2

• -4 + -2

• 4 - 2

Multiple Choice

4 + (-2) =

• 6

• -6

• 2

• -2

Multiple Choice

A helicopter takes off at the top of a 130 foot building. It raises 90 more feet high. How far away is the helicopter from the ground?

• 220

• 120

• 40

• -220

Multiple Choice

A dirt bike is on top of a 20 foot hill. It lands in the bottom of a pit, which is 25 feet below ground level.

How much feet did the dirt bike drop from the top of the bill to the bottom of the pit?

• 5

• 55

• 25

• 45

Multiple Choice

A submarine has an elevation of -240 feet. It descends another 65 feet down.

What is the new depth of the submarine?

• 185 feet

• -305 feet

• -185 feet

• 305 feet

Multiple Choice

-4 + (-3) =

• 1

• -1

• 7

• -7

Multiple Choice

2 - (-3) is the same as

• 2 - 3

• -2 - 3

• 2 + 3

• -2 - (-3)

Multiple Choice

2 - (-3) =

• 5

• 1

• -1

• -5

Multiple Choice

3 - (-4) is the same as

• -3 - (-4)

• 3 + 4

• 3 - 4

• -3 + 4

Multiple Choice

3 - (-4) =

• -7

• 1

• -1

• 7

Multiple Choice

5 + (-2) - 4 =

• 3

• -1

• -3

• 1

Multiple Choice

-3 + 2 - (-4) =

• 9

• 5

• 3

• -3

Multiple Choice

-2 + (-4) - 3 =

• -9
• 9

• 3

• -3

Fill in the Blank

3 + (-2) - (-4) =

Fill in the Blank

-2 + 4 - (-4) + (-1) =

Multiple Choice

The temperature was at -10° F. The temperature dropped by 7° F. What is the new temperature?

• 17°

• 7°

• -17°

• -7°

Multiple Choice

The temperature was at -7° F. The temperature increased by 10° F. What is the new temperature?

• 17°

• 3°

• -17°

• -3°

Multiple Choice

Same signs (++ or - -) means we are __________

• adding a positive

• subtracting a positive

• adding a negative

Multiple Choice

4 + 2 is an example of

• same sign

• different sign

Multiple Choice

4 - (-3) is subtracting a negative. This is an example of

• same sign

• different sign

Multiple Choice

-4 + -3 is adding a negative. This is an example of

• same sign

• different sign

Multiple Choice

-3 - (-3) is subtracting a negative. This is an example of

• same sign

• different sign

Multiple Choice

3 + (-3) is adding a negative. This is an example of

• same sign

• different sign

Multiple Choice

When we have different sign (adding a negative, or subtracting a positive) - we must ________

• add

• subtract

• it depends

Multiple Choice

3 + (-2) is an example of different signs. Therefore, we can re-write it as _____

• 3 + 2

• -3 - (-2)

• 3 - 2

• -3 + 2

Multiple Choice

Which expression is equivalent to -3.5 + (-4.24)

• 3.5 - 4.24

• -3.5 - 4.24

• 3.5 - 4.24

• -3.5 - (-4.24)

Multiple Choice

Which expression is equivalent to -4.2 - (-2.5)

• -4.2 - 2.5

• 4.2 - 2.5

• -4.2 + 2.5

• -4.2 - 2.5

Multiple Choice

Which expression is equivalent to 6.5 + (-3.5)

• 6.5 - 3.5

• -6.5 - 3.5

• 6.5 + 3.5

• -6.5 + 3.5

Multiple Choice

Which expression is equivalent to -4.5 - 3.3

• 4.5 - 3.3

• -4.5 - (-3.3)

• -4.5 + (-3.3)

• 4.5 + 3.3

Multiple Choice

Which is expression is equal to -9?

• -4 + (-5)

• 4 - 5

• 4 + (-5)

• -4 - (-5)

Multiple Choice

Which is expression is equal to 10?

• 4 + (-6)

• 4 - 6

• -4 + (-6)

• 4 - (-6)

Multiple Choice

Which is expression is equal to -5?

• 4 + (-1)

• -1 + (-4)

• -4 + 1

• 4 - (-1)

Multiple Choice

Which is expression is equal to -6?

• 5 + (-1)

• -1 + 5

• -5 + 1

• -5 + (-1)

Multiple Choice

What point is 9 units away from zero?

• P

• A

• B

• C

Multiple Choice

What two points are both 5 units away from zero?

• B and D

• C and E

• C and D

• P and E

Multiple Choice

What pair of points would add together to equal zero?

• D and P

• A and E

• B and C

• B and E

Multiple Choice

What pair of points would add together to equal zero?

• A and E

• B and C

• C and D

• P and E

Multiple Choice

Which expression represents the distance between E and D?

• D + E

• E - D

• D - E

• E + D

Multiple Choice

Which expression represents the distance between C and D?

• D - C

• C - D

• D + C

• C + D

Multiple Choice

Which expression represents the distance between P and E?

• P + E

• E + P

• P - E

• E - P

Multiple Choice

x + y = 0

What are possible answers for x and y?

• 3 and -2

• 0 and 5

• 10 and -10

• 4 and 40

Multiple Choice

x + y = 0

What are possible answers for x and y?

• 3 and -3

• 10 and 5

• -1 and -2

• 3 and 30

Multiple Choice

x + y = 0

What else is true about x and y?

• both x and y will be positive

• both x and y will be negative

• one will positive, and one will be negative

• we can not determine anything else

Multiple Choice

p - x will always be

• greater than p

• less than p

• impossible to know

• equal to p

Multiple Choice

z - y will always be

• greater than z

• less than z

• impossible to know

• equal to y

Multiple Choice

z - y will always be

• less than 0

• greater than z

• a positive number

• equal to y

Multiple Choice

p and z are both equal distances from zero. What statement below is true?

• p and z are both negative

• p and z are both negative

• p - z equals a positive number

• p + z = 0