Addition Practice (Addition Practice)
We invite you to school for a math lesson in the game Addition Practice. You will study addition, and not prime numbers, three-digit and four-digit. To add them, you need to use the column addition rule. If you solve the problem without carrying over, then you simply select the sum of each column from the general set of numbers, moving from right to left. To use carry when adding, for example, the numbers 5 and 7, the sum is 12. Write the number two, and transfer the one to the next sum of the column. So gradually you will perfectly master this way of counting in the Addition Practice game.