Elementary 6 - 12, Page 92

This control chart makes it possible for children to work independently and correct their own errors.

A stand for plane geometric form exploration that facilitates in the measurement of height of the Constructive Triangles. Scale is in centimeters.

17 boards used for exercises in reading and playing groups of notes.

The Cut-Out Labeled Fraction Circles are used by the child as an extension of his work with the Fraction Circles. The plastic set includes 10 whole circles and 5 sets of labeled...