ACCOUNTING AGE OPPORTUNITIES IN TEACHING MATHEMATICS PRIMARY SCHOOL PUPILS

The article substantiates the strengthening of clarity in the record column written addition and subtraction of three-digit numbers with the transition through the dis- charge at the stages of learning a new primary material and secure it. These changes are due to the peculiarities of mathematical language ? write in mathematical language should be visual and easy to use features and age of younger students ? more attention to children and involuntary forgetting of perceived information from them quickly. Proposed introduction of the written record of addition and subtraction with transition through the discharge column memorized unit discharge. We give examples of new records and the corresponding argu- ments at familiarizing students with the writing techniques of adding and subtracting three- digit numbers with the transition through the discharge