Column Subtraction Game

Column Subtraction is a game that will help second and fourth graders learn column subtraction. The game is a great simulator that can be practiced every day without too much difficulty. Who already know how to subtract columns, you can just consolidate your knowledge. For those who are learning to subtract, the game is just right. A little explanation. Subtraction is always from right to left. The lower number should be subtracted from the upper number. If the upper number is less than the lower one, you need to borrow one from the neighboring digit and so on. Choose which numbers you will play with: three-, four- or five-digit numbers.