Mathematics. Addition and subtraction. Grade 2

The main methods of account are formed in the child in the first years of training. That is why it is very important to pay special attention to the development of this skill.
The manuals presents examples and tasks for addition and subtraction in the range of 20 and within 100.
Different types of exercises are given:
Cold and subtraction of round two -digit and unambiguous numbers,
Subscribing unambiguous from two -digit numbers,
subtraction without transition through a dozen,
combined for addition and subtraction,
addition and subtraction within 100 columns.
Examples and tasks of the book will help the child to work out and fix to automatism, they will activate mental activity, develop memory, attention and speed of reaction.
The book is prepared in accordance with the requirements of the Federal State Educational Standard of Primary Education. It can be used when working with any textbook included in the federal list. The manual will be useful in mathematics lessons and for independent classes at home