Smash playdough is an activity that helps children understand the concept of subtraction using a material. This is a fun activity that the children would love! The use of the concrete material helps visual learners and tactile learners.
prince & co.: The Trading Game: Money Style.Race to a Quarter. This game is VERY simple but powerful for the kids because it helps them to make those connections that 5 pennies = 1 nickel, 2 nickels = 1 dime, etc.