1. The problem is to identify what you don't understand in sixth grade Bulgarian math. 2. A good approach is to review your math textbook and notes carefully. 3. Try to solve practice problems and mark the ones you find difficult or confusing. 4. Pay attention to topics like fractions, decimals, basic geometry, and simple equations, which are common in sixth grade. 5. Write down specific questions or concepts that you find unclear. 6. Ask your teacher or tutor to explain those topics in more detail. 7. Use online resources or videos in Bulgarian that explain sixth grade math concepts step-by-step. 8. Practice regularly and review mistakes to improve your understanding.