3000 examples in mathematics. Control and test works. 2nd grade

This manual contains control and test works on one of the basic topics for the 2nd grade - «Addition and subtraction within 10». Many parents are convinced that their children can count very well, but you can only be completely sure of this if the counting skill has been perfected to the point of automatism. In this case, the child writes the answer to, for example, within 3-5 seconds. On each page, there are examples for independent solving. After them, on the right, the student records the time taken to solve them. On the left, there are numbers indicating the ideal time, satisfactory time, and a poor result that should make the student think. Each control work is accompanied by examples for working on mistakes. The manual can be used as additional material in mathematics lessons, as well as for home study.