" The Frog Princess " (Царевна-лягушка) or " Sivka-Burka ".
Setting the learning objective (e.g., "Students will identify the main moral of the fable").
For a Grade 2 lesson, you might choose from these standard works often found in curricula like "School of Russia" ( Школа России ):
Assessing what was learned and summarizing the "moral" of the story. Teaching Tips for 2nd Grade