Https://download.pomagalo.com/1117389/i ... /?s... Apr 2026

This thesis, titled "Studying the operations of addition and subtraction of numbers from 1 to 20 in first grade," analyzes pedagogical strategies for teaching basic arithmetic to young students [Pomagalo]. It covers theoretical approaches, practical methods, and exercises aimed at developing foundational mathematical skills [Pomagalo]. The full material can be accessed on Pomagalo.