These guides are designed to help students master foundational concepts through structured exercises:

: For comprehensive practice, look for the Class 2 Mathematics Workbook on Scribd or similar document-sharing sites that feature teacher manuals and exercise keys.

: Sites like GDZ.ru provide digital versions of the answer keys and step-by-step explanations for the Demidova curriculum.

: Working with numbers up to 100, including oral counting, addition, and subtraction of units and tens.