The concept of numeric expression is a basic one in teaching mathematics. It is introduced and assimilated in primary school. This concept is a component of many other concepts and problems in school course of mathematics. That is why discussing and analyzing the process of understanding and assimilating the notion of numeric expression is of great importance both to the teachers and pupils. The present study focuses on some key activities and groups of problems aiming at mastering pupils’ abilities to solve various mathematical problems, to overcome some difficulties and prevent from making mistakes in finding the ways of solving different problems and doing so to enrich their knowledge in mathematics.
“Leaving Blank Space” in Primary School Mathematics Lesson Teaching
