Draw a quick picture picture that show the number 76 describe the value of each digit in this number

The number 76 has 6 in the one's digit column, and 7 in the tens' digit column, as shown in the figure.

Explanation:
In the decimal numbering system, we count from 0,1,2, ..., 9 in the ones digit column.
When we reach 10, we have exhausted all 10 positions in the ones column. Therefore we shift left into the tens digit column and count in tens as 10,20,30, ..., 90.
When we reach 100, we have exhausted the 10 positions in the tens column. So we shift left and count in hundreds, and so on.

Show his work so he doesn’t get points taken off. this is because even if he can do calculations in his head, he may make a mistake and having it on the paper will not only him find mistakes but show that he was doing the work as well.