Mathematics. Fast account within 20. Automate account skills

The training course "Mate: Plus®. A quick account within 20 ”is an integral part of the Mate: Plus® complex and is intended for training and automation of students computational skills. The course of the course is aimed at the formation of basic ideas about numbers and numerical relationships among schoolchildren, at understanding arithmetic laws and logical connections between components of arithmetic operations.

note “Automate account skills” is intended for written work in accordance with the topics of the course “ MATA: Plus®. Fast account within 20. " The notebook contains tasks for working with counting sets, numerical rows, exercises for consolidating the concept of the composition of numbers within 20 and automation of skills to calculate the values ​​of the sums and differences in numbers within 20.. Quick account within 20 ”, but can be used as an independent manual in learning an account.