Even numbers are the answers in the 2 times table.
2, 4, 6, 8, 10 etc.... are EVEN
Odd numbers are the rest!
1, 3, 5, 7, 9, 11 etc....
Even and Odd are opposites.
A Carroll Diagram has two sides which show opposites.
Look at this Carroll Diagram.
On the left side we put all the EVEN numbers.
On the right side we put all the numbers that are NOT EVEN.
We can do the same with ODD numbers, like this: