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) of rectangles, as well as converting units of time (minutes to hours) and length (decimeters to centimeters).

Completed without errors; demonstrates deep conceptual understanding. Some minor errors, but at least 75% of the work is correct. Low (Basic) ) of rectangles, as well as converting units

Students are asked to solve complex problems involving addition, subtraction, and simple multiplication or division. For example, finding total quantities where one item is more or less than another by a specific ratio or amount. Low (Basic) Students are asked to solve complex

Tasks often involve calculating the perimeter ( ) and area ( Less than of the work is completed correctly;

Expressions involving parentheses and multiple arithmetic steps test the student's understanding of the sequence of calculation.

Less than of the work is completed correctly; identifies gaps in core knowledge. Expert Analysis of the Zankov Approach

Exercises requiring column-style addition and subtraction (up to three-digit numbers) to ensure mastery of standard algorithms. Algebraic Thinking: Basic equations (e.g.,