Math Integers

Adding Integers

100

-11 + -27

-38

200

-114 + -17 

-131

300

-13 + -7 

-20

400

121 + -21

100

500

-2 -(-9)=

7

Subtracting Integers

100

How do you subtract integers?

change the sign on the integer that is to be subtracted. If both signs are positive, the answer will be positive. If both signs are negative, the answer will be negative. If the signs are different subtract the smaller absolute value from the larger absolute value.

200

9-(-99)=

108

300

14-11

3

400

-19-22

-41

500

67-77=

-10

Multiplying Integers

100

-1 x -99 =

99

200

How do you multiply Integers? (Explain)

1. The product of two positive integers or two negative integers is positive.
2. The product of a positive integer and a negative integer is negative.

DOUBLE POINTS

300

100 times -9 equals 

-900

400

24 x -9 x -1 =

216

500

When multiplying a positive by positive you have a positive what do you get if you do a negative by a positive?

Negative!

Diving Integers

100

How do you divide integers?

1. The product of two positive integers or two negative integers is positive.
2. The product of a positive integer and a negative integer is negative.

200

-20 divided by 4 equals

-5

300

-33 divided by 11 equals 

-3

400

-200 divided by 200

-1

500

-1400 divided by 12 equals 

IN WHOLE NUMBERS NOT DECIMALS 

-116

Absolute value/

100

How do you do Absolute Value? 

The distance From 0

200

|-8|

8

300

|-200|

200

400

|-14| x2

28

500

|-12|+ |12|

24

Vocabulary

100

A number that is the distance from 0 is called?

Absolute Value

200

What does additive inverse mean?

The opposite number

300

What is an integer? (Show using numbers or words)

0,1,2,3,-4,-5,-6,All positive and negative numbers

DOUBLE POINTS 

400

A number that can be written as a fraction is called a? 

A. Rational number

B. Absolute Value

C. Zero Pair

A

500

The product of two integers with different signs is called a ______ number. 

Negative