Help students solve and check their addition and subtraction work with confidence using this reusable Solve It, Check It Math Mat! This 4-page PDF includes layouts for solving and checking using the inverse operation, plus a reminder for checking addition with, “greater number on top.” Print in color for clear visual guidance or black and white for ink-friendly classrooms. Place the mats in plastic sleeves and use with dry erase markers for unlimited practice—perfect for math centers, interventi