The mydomashka.ru platform offers comprehensive, step-by-step solutions for the Peterson Grade 3 mathematics curriculum, serving as a digital tutoring resource to aid student comprehension [1, 3, 5]. By comparing their work with these ready-made solutions, students can identify logical steps in complex problems and improve their understanding of topics like set theory and multi-digit multiplication [1, 4]. For more details, visit mydomashka.ru.