2.  Integer Tiles- You use integer
tiles and count what is left
over [tiles without a pair]
and if there red there
positive and if there blue
negative.
[+4] + [-3] = +1

3.  Adding Opposite- When
you see a subtraction
signing and a negative
sign you change
negative to positive and
add.
[+5]- [-7] = [+5] + [+7] = +12

4.  Same=Positive,
Different=Negative-
When you have two of
the same integers, it is
positive, when they are
different, negative.
[+2] x [+3] = +6
[-5] x [+6] = -30

5.  Same=Positive,
Different=Negative-
When you have two
of the same integers,
it is positive, when
they are different,
negative.
[+2] / [+3] = +6
[-5] / [+6] = -30