The 3-D Pentomino Puzzle is a math skills game designed for use by children with cognitive disabilities. This 12-piece three-dimensional puzzle forms hundred of combination, sharpening geometry and problem-solving skills.
DISCONTINUED. (Verified 8/1999) RETAINED IN DATABASE FOR REFERENCE. 5th through 7th Grade Math Competencies is a 32-disk series of math and consumer skills tutorial programs that includes 13 disk sets.