← Number Systems
04 / 11
NUMBER SYSTEMS
Whole Numbers
We already know that 0 represents nothing.
What happens when we include 0 with the Natural Numbers?
KEY IDEA
Whole Numbers include zero and all Natural Numbers.
0, 1, 2, 3, 4, 5, ...
BUT THERE IS A LIMIT
Whole Numbers work well for counting and for representing nothing.
But what happens when we subtract a larger number from a smaller one?
1 − 2 = ?