On the contrary, ODD numbers can't be broken into two equal parts. For example, number 7 is 3+4 or 4+3 (the parts are not the same). Therefore, number 1 is odd.
When you have a two digit number, such as 38. We look at the last number which is 8 to know if it is odd or even. 38 is an even number because it finishes with 8.
Let's play to a game to check your level, click on the pic:
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