Looking for a fun way to review 3-digit subtraction with regrouping? This Power Point can be used as a Bingo game for third, fourth, or fifth grade. Students choose 24 of the given differences to fill in on a 5 x 5 Bingo board (25th is a free space). Once all students' boards are filled in, display one slide at a time. Students calculate the difference to the given problem and cover the appropriate number, if they have it on their boards.