Mathematical marathon. Addition and subtraction. A notebook of personal achievements

"Oral score is gymnastics for the mind." It is not so easy to make it interesting. The manual "Mathematical marathon. Addition and subtraction will help you with this. And he will also track "complex moments" for the child and will help to cope with them.
In "Notebooks of Personal Achievements", mathematical examples are collected and structured in complexity. Having passed all nine kP (control points) and receiving a medal, you can say with confidence: the child went through his personal mathematical marathon.
The simulator is intended for students of grades 2-4. The task at each turn is aimed at working out a certain type of examples of an oral account - from an account within 10 to the addition and subtraction of four -digit numbers.
It is recommended for use with the book "Quest Trender Oral Account. Addition and subtraction ", as well as with other notebooks for collective quests