Arithmetic Trainer. Addition

We present to you the arithmetic trainer "Addition". This series of trainers for developing counting skills will allow easy and quick mastery of addition, subtraction, multiplication, and division, thanks to a vast collection of examples. Moreover, at the end of each page, there will be a special place to note the number of mistakes made and the time taken by the child to solve the examples – thus, page by page, it will be possible to track progress in mastering the most essential basic mathematical operations.