Students will add and subtract numbers to the hundreds place. They'll be asked to find sums and differences, and to find a number that is 300 more or less than given number on over 30 slides! My students beg to play, and while playing they'll do more math operations in this simple game than they would on any worksheet. Instructions for Bingo included. After playing Bingo once a few days later we reviewed again by racing to find answers. Both ways are a great review of Adding and Subtracting!