Beginning with Lesson 3, the student simplifies the equation by removing pawns from the balance to solve for the unknown X. The student verifies his/her solution by resetting the problem to conduct the check. Feedback is provided to the student in the check phase of the problem. Simple touch features are used to move the pieces around. An expert instructional video is included for each lesson.
Manufacturer: Henry Borenson
Brand: Henry Borenson
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