4 Kontrolnaia Rabota Po Matematike 3 Klass 2 Chetvert Shkola Rossii -

"Eyes on your own papers, please," Maria Ivanovna said, her voice calm but firm. She handed out the sheets.

The morning sun hit the chalkboard in Class 3B, but no one was looking at the light. Today was the day of the for the second quarter, and the tension was thick enough to cut with a ruler. "Eyes on your own papers, please," Maria Ivanovna

was geometry—finding the perimeter of a complex shape. He remembered the formula: P = (a + b) × 2 . He drew the rectangle neatly, his ruler clicking against the wooden desk. "Eyes on your own papers