2 results for "grade ball"

Elementary Balance with Weights Grades 3 & up. All-purpose balance provides accurate measurement of capacities to 2000g (readable to 1g). Molded from high-impact styrene, this durable unit features a zero adjust knob and two removable 10 cm square …

Magnetic Addition Machine Grades PreK & up. A visual way to teach addition! Just stick the magnetic cups, funnel, and tray to any whiteboard for clear and simple addition demonstrations. Drop the balls into the cups, tilt them over so they fall into …