Students make their own bingo board by using the numbers on the worksheet. (Students can cut and paste the numbers onto the bingo board, or they can just write them in by hand.)
The teacher calls out numbers between 3-20. After the teacher calls the number, the student must count back three and then mark that number on their bingo board. (For example, if the teacher calls out 8, you would mark 5 on your game board.)
First student to get four in a row wins!