Operations with Negative Integers

Integer Operations

by Chelsea Crye

​For each section, do your best based upon what you know. Choose the answer you believe is correct after calculating.

​

​What we will cover today:

​-Integer Operations (add/subtract/multiply/divide positive and negative numbers)

​-Order of Operations (PEMDAS)

INTEGERS​

​POSITIVE & NEGATIVE WHOLE NUMBERS

​Rule for Adding Integers

​Same Sign, Add and Keep the Sign

Multiple Choice

-4 + -4

• -8

• 8

• 0

• 4

Multiple Choice

-5 + -9

• 4

• -4

• -14

• 14

Multiple Choice

-12 + -3

• 15

• -15

• 8

• -8

​Rule for Adding Integers

​Different signs, subtract and keep the sign of the bigger number

Multiple Choice

-5 + 6

• 1

• -1

• -11

• 11

Multiple Choice

5 + (-6)

• 1

• -1

• -11

• 11

Multiple Choice

-10 + 8

• 2

• -2

• 18

• -18

​Rule for Subtracting Integers

​Keep Change Change (Add the opposite)

​Then, follow the rules for addition.

Multiple Choice

11 - (-2)

• 13

• -13

• 9

• -9

Multiple Choice

8 - (-2)

• 10

• -10

• 6

• -6

Multiple Choice

-8 - 2

• 10

• -10

• 6

• -6

Multiple Choice

-5 - 5

• 0

• 1

• -10

• 5

Multiple Choice

-8 - (-4)

• -12

• 12

• -4

• 4

Multiple Choice

(-7) - (-3)

• -10

• 10

• -4

• 4

​Rule for Multiplying Integers

​Same Signs = Positive / Different Signs = Negative

Multiple Choice

-4 x -6

• -24

• 24

Multiple Choice

-7 x 5

• 35

• -35

Multiple Choice

3 x -2

• 6

• -6

​Rule for Dividing Integers

​Same Signs = POSITIVE / Different Signs = NEGATIVE

Multiple Choice

$$-15\ \div3$$  

• 5

• -5

Multiple Choice

$$-16\ \div-16$$  

• 1

• -1

• 16

• -16

Multiple Choice

$$-10\div2$$  

• 5

• -5

Exponents​

​Repeated Multiplication

Multiple Choice

$$4^2$$  

• 6

• 8

• 16

• 2

Multiple Choice

$$5^3$$  

• 8

• 15

• 25

• 125

Order of Operations​

​Please Excuse My Dear Aunt Sally

Multiple Choice

4 x 3 + 12

• 24

• 60

• 19

• 0

Multiple Choice

15 + 2 x 2

• 34

• 19

• 17

• 11

Multiple Choice

$$15\ -\ 12\div4\times3$$  

• 14

• 4

• 12

• 6

Multiple Choice

$$5\times6\ -\ \left(3+3^2\right)$$  

• 18

• -6

• -30

• 6

Multiple Choice

$$3+4^2-\left(-5\right)$$  

• 54

• 44

• 24

• 14

Thanks for participating!!!​

​These math rules and processes are very important for all levels of math!

Poll

How do you feel about integers, exponents, and order of operations after reviewing them today?

• Fantastic!

• Pretty Good!

• Fair

• Help!! I need extra practice!