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Basic Number Properties:
,
, and
The word "
" comes from "associate" or "group";the
Property is the rule that refers to grouping.
For
, the rule is "
"; in numbers, this means
.
For
, the rule is "
"; in numbers, this means
.
The word "
" comes from "commute" or "move around", so the
Property is the one that refers to moving stuff around.
For addition, the rule is "
"; in numbers, this means
.
For multiplication, the rule is "
"; in numbers, this means
.
The
Property is easy to remember, if you recall that "multiplication distributes over addition". Formally, they write this property as
. In numbers, this means, that
.
1.
.........here you have the
Property-the rule for multiplication
2.
.....the
Property- the rule for
3. If
then
...the
Property-the rule for multiplication
