Introduce your children to the concepts of greater than, less than, and equal to with teen numbers 11 through 19. Children place an included greater than, less than or equal...
According to the latest research on how the brain learns math "by the age of 6 children have developed a mental number line that gives them central conceptual structure for...
A set of blue Geometric Solids used for the calculation of volume. The solids are derived from a base of 10 x 10 cm and a height of 20 cm. Each sold individually.
This material is used as an introduction to the study of area. Through exercises with these triangles, the child discovers how the area of a triangle is derived. The material...