Mathematics. We decide on "excellent." Super training. Chain of examples. Three levels of complexity. Grades 1-4

Solution of the chain of examples is an effective training that allows you to bring to automatism the computing skills of the child.

The manual provides tasks of three levels of complexity: 1st level of complexity-calculate the answer; 2nd level-solve examples for the time; 3rd level-insert the number missed in the example.

Automated account skill will help save precious time when solving problems, long examples, inequalities and equations, will develop memory, flexibility of the mind and quick wit, the ability to retain and switch Attention.

The manual will be useful for working in the classroom and independent classes at home.