4th grade is a critical year for mastering long division, multiplication, and basic geometry. Over-relying on keys can prevent these skills from becoming "second nature."
If your answer is different from the GDZ, don't just erase it. Compare the two to see exactly where the mistake happened—was it a calculation error or a misunderstanding of the formula? 4th grade is a critical year for mastering
Use the solved examples to practice for upcoming "Kontrolnye Raboty" (tests). Seeing the "ideal" way to present a solution helps in getting better grades for formatting. Potential Risks: 4th grade is a critical year for mastering