: Re-check your column addition/subtraction, especially when "borrowing" across units (e.g.,
: Convert both quantities to the same (smallest) unit first, then compare. Example : , therefore 3. Errors in Word Problems ( Задачи )
from your previous work and write "Работа над ошибками" (Work on Mistakes).
: Write the correct conversion and solve two similar examples for practice. Example : Correction : Practice :
: If you missed a step in a time-based problem (e.g., "start at 14:40, end at 15:30"), explicitly show the subtraction.
4. Errors in Geometric Measurements ( Периметр и площадь ) : Write out the formula used ( ), substitute the numbers with their units, and solve. Example : Common Mistake Checklist
: Did you forget to write "Ответ:" at the end of the problem?
If you can tell me the you got wrong or the marks you lost, I can provide the exact solved examples for your write-up.