The most important feature of the elementary mathematics course in the article is its practical orientation, if some issues of the mathematics program in the upper grades are of a theoretical nature, illustrated using examples to be included. The most important feature of an elementary mathematics course is its practical orientation. If some of the issues in the math program in the upper grades are of a theoretical nature, in elementary school each new concept, property, law is introduced as a result of practical activities and for practical activities.

section, length, texture, rectangle, ruler.