|
The answer in addition is called the
sum.
The answer in subtraction is called the
difference. |
Will the sum
of 2 numbers be
odd or even?
Will the
difference of
2 numbers be odd or even?
|
The sum will
be
even
when the 2 numbers you add are: |
|
both
even |
4 +
4 =
8
6 +
8 =
14 |
|
both
odd
|
3 +
3 =
6
7 +
5 =
12 |
|
The sum will
be
odd
when the 2 numbers you add are: |
|
one
odd,
one even |
3
+ 4
= 7
9
+ 6
= 15 |
|
The difference
will be
even when
the 2 numbers you subtract are: |
|
both
even |
10 -
4 =
6
6 -
2
= 4 |
|
both
odd |
9 -
3 =
6
7 -
5 =
2 |
|
The
difference will be
odd
when the 2 numbers you subtract are: |
|
one
odd,
one even |
10 -
7
= 3
8
- 3
= 5
9
- 6
= 3
7
- 2
= 5
|
 Remember: |
Will
the sum
or difference
be odd or even ?
It depends on the numbers you add and subtract.
|
Click on the heart for practice.
|
