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Addition

Addition Exercises

Adding Single-digit Numbers

In the following exercise, you will add two one-digit numbers. Other Addition exercises:

Adding Two-digit Numbers

In the following exercise, you will add a pair of two-digit numbers. Things to remember: The numbers are stacked on top of each other, so that the numbers in the one's place are in the right column. The numbers in the ten's place are in the...

Adding Three-digit Numbers

In the following exercise, you will add a pair of three-digit numbers. Things to remember: The numbers are stacked on top of each other, so that the numbers in the one's place are in the far-right column. The numbers in the ten's place are...