Platforms like Gitem provide detailed, step-by-step answers for both parts of the 1st-grade textbook and associated workbooks.

Sites like Elena Davydova's classroom page often list various diagnostic and control works for which keys can be found in teacher editions of the manuals. Purchase Options

The solutions you are looking for typically correspond to the textbook and workbooks by (published by Ventana-Graf). You can access these answers through the following resources:

Specific solutions for the "I Am Learning to Count" (Я учусь считать) workbook by E.E. Kochurova are available through educational portals that host digital versions of these materials.