Adding & Subtracting Integer

Adding

100

Find the sum 

(-6)+(+18)

12

200

-14 + -8 =

=-22

300

-40 + (25) =

-15

400

104 + (-25)

79

500

-342 + (-875)

-1217

Subtracting

100

3 - (-9) =

12

200

-19 - ( 15) =

-34

300

-4 + (-6) = 

-10

400

-42 - 10

-52

500

304 - 587

-283

Facts and Rules

100

What is the rule for adding integers with the same sign?

a) The answer is always positive

b) Add the opposite

c) Add and keep the sign

C) add and keep the sign the same. 

200

-3 and +3 are called what?

opposites

300

When you don't see a sign before a number, the number is...

a positive number

400

Subtracting a negative integer is like...

a) adding a positive integer

b) adding a negative integer

c)subtracting a positive one

Adding a positive integer. 

500

When you find a sum you are ________.

When you find the difference you are _____________.

adding and subtracting, respectively