ALT Young student leaning over a classroom desk, writing with a pencil on a math worksheet showing subtraction problems and crossed-out circles.

ALT Student writing a math word problem on a dry-erase board that begins "Mom has 14 skittles," seated at a classroom table scattered with crayons, markers, a water bottle and plastic supply boxes.

ALT Young student seated at a round classroom table writing a subtraction problem on a dry-erase board that reads Bob had 14 toys; he lost 6 of them — how many? with markers, scissors, eraser and water bottles nearby.

ALT Two young girls working together in a classroom cozy corner—one kneeling on the carpet and drawing a math diagram on a small whiteboard while the other sits against a cushion, smiling; nearby a filing cabinet, side table with a sand timer, and classroom supplies.

ALT Older student helping a younger child work a math problem on a small whiteboard while they sit on a rug in a classroom reading corner beside labeled book bins.

ALT Two children sitting on a classroom carpet collaborate on a small whiteboard, one using a yellow eraser while they work through a written math equation.