Addition of Integers
Subtraction of Integers
Multiplication of Integers
Rules of Multiplication
Mystery Products
100

(-7)+(-2)

-9

100

(-7)- (2)

-9

100

(-3)(-2)(-4)

-24

100

A minus times a minus is a 

A.  Minus

B.  Plus

C.  It depends on the absolute value of the numbers

B.  Plus

100

Name two numbers that have a product of -48. 

Example:  -8x6

200

(3) +(-4)

-1

200

(3)-(-4)

7

200

(-5)(4)(-6)

120

200

What is 3(-4) as an addition problem?

(-4) + (-4) + (-4)

200

Name two integers that have a product of -32

Example:  -8x4

300

(-3)+8

5

300

(-3)- (8)

-11

300

(-5)(4)(-2)

40

300

True or False: The rules for multiplication and division are exactily the same.

True:  a minus times a minus is a plus; and a minus divided by a minus is a plus.

300

Name two integers that have a product of -27

Example:  -9x3

400

(-4)+(-9)

-13

400

-(4)-(-9)

5

400

(5)(-2)(-1)

10

400

What is the sign of the answer if three negative integers are multiplied together?

Negative

400

Name three integers that have a product of -42

Example:  -3x-2x7

500

(-10)+(6)

-4

500

(-10)-(6)

-16

500

-12/4

-3

500

True or False:  The order that we multiply integers does not matter at all.

True

500

Name three integers that have a product of -16

Example: (-2)(-2)(-4)

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