A quick and engaging review of math facts, using mental math, "bingo" style.Little Teacher prep needed--just print, quickly rearrange the slides, start the PowerPoint and go!Simply start the PowerPoint, and watch your students do the mental math and see if they have that number on their board to mark! Students can yell out "bingo" or "Fast Facts" when they have made a line, 4-corners, blackout, etc.Print the boards on card stock, laminate, and you're ready to go! I use clear bingo chips for st