Adding Positive and Negative Numbers

Positive & Negative Numbers & Operations

By Olivia Boender

Rule #1: Adding a negative is the same as subtracting a postive

8 + (-3) = 5

8 - 3 = 5

Some text here about the topic of discussion

-7 + (-5) = -12

-7 - 5 = -12

-5 + 3 = -2

3 - 5 = -2​

Multiple Choice

9 + (-3)

• -12

• 6

• -6

• 12

Multiple Choice

4 + (-5)

• -1

• 1

• -9

• 9

Multiple Choice

-5 + (-2)

• -3

• 3

• 7

• -7

Multiple Choice

-3 + (-7)

• -10

• -4

• 10

• 4

Multiple Choice

-3 + 7

• -10

• -4

• 10

• 4

Multiple Choice

-5 + 3

• -2

• 8

• 2

• -8

Rule #2: Subtracting a negative is the same as adding a positive

Some text here about the topic of discussion

8 - (-3) = 11

8 + 3 = 11

-7 - (-5) = -2

-7 + 5 = -2

-5 - (-3) = -2

-5 + 3 = -2

Multiple Choice

9-(-3)

• 6

• -6

• 12

• -12

Multiple Choice

4-(-6)

• 10

• -10

• 2

• -2

Multiple Choice

-2-(-9)

• 11

• -11

• 7

• -7

Multiple Choice

-6-(-2)

• 4

• -4

• -8

• 8

Multiple Choice

3-(-5)

• 2

• -2

• -8

• 8

Multiple Choice

5-(-2)

• 3

• -3

• -7

• 7

Multiplying by Negatives

Two negatives make a positive. One negative makes a negative​

Some text here about the topic of discussion

8 * (-3) = -24

8 * 3 = 24

-7 * (-5) = 35

-7 * 5 = -35

-5 * (-3) = 15

-5 * 3 = -15

Multiple Choice

5*(-2)

• -15

• -10

• 10

• -7

Multiple Choice

-3*5

• -15

• -10

• 2

• -8

Multiple Choice

-4*(-6)

• -24

• -10

• 24

• 10

Multiple Choice

-9*(-6)

• -54

• -15

• 54

• 15

Multiple Choice

-6*2

• 12

• -12

• -14

• -4

Multiple Choice

-9*(-3)

• 27

• -27

• -12

• 28

Dividing by Negatives

Two negatives make a positive. One negative makes a negative​

Some text here about the topic of discussion

-24 / 3 = -8

-24 / 8 = -3​

​-36 / -6 = 6

-36 / 6 = -6​

​

15 / -3 = -5

15 / -5 = -3​

Multiple Choice

27 / 3

• 7

• 9

• -7

• -9

Multiple Choice

-27 / 3

• 7

• 9

• -7

• -9

Multiple Choice

-27 / -3

• 7

• 9

• -7

• -9

Multiple Choice

16 / 4

• 4

• -4

• 6

• -6

Multiple Choice

-16 / -4

• 4

• -4

• 6

• -6

Multiple Choice

16 / -4

• 4

• -4

• 6

• -6

Multiple Choice

Challenge Problem:

$$3\ \cdot\ -2\ \cdot-3$$  

• -15

• -18

• 15

• 18