Educational Insights Number Balance Ages 5 And Up (21 Pieces - 20 Balance Weights And Scale)

描述

Don'T Tip The Scales! Number Balance Is A T-Shaped Scale That Visually Demonstrates Equivalents To Help Students Understand Number Relationships And Operations Such As Addition Subtraction And Comparisons As Well As Pre-Algebra Concepts. Includes Scale 20 Balance Weights And Teachers Guide.