Help your preschool, kindergarten, or first grade students quickly and easily identify numbers on a ten-frame. This Power Point slide show is a great way to review numbers 1 through 10! This slide show has 43 slides to quiz students twenty-one times on numbers 1 through 10 in random order. Use this as a set to your lesson with ten-frames or as a warm-up to a fun, interactive card sort game for a math center. This is the fourth Power Point slideshow for more practice. Collect all four!