Sensory education teaching aid, mathematics education teaching aid, language education teaching aid, science and culture education teaching aid, daily life education teaching aid, music education teaching aid.

Color swatch is a kind of sensory teaching aid, which mainly cultivates children's visual ability to distinguish progressive colors through the changes of color shades and shades, and establishes a preliminary artistic aesthetic concept. Teaching AIDS for training children's sense organs and abilities, such as vision, hearing, touch and smell, consist of swatches 1 1 pair-red, yellow, blue, orange, green, purple, pink, brown, gray, black and white 1 pair.

The operation of Montessori sensory teaching AIDS follows three general principles of children's cognitive development: identifying the identity, contrast and similarity of things, pairing, sorting and classifying. At present, the operation and learning of classical teaching AIDS are all carried out around these three ways. In addition, their transformation and expansion operations are derived on the basis of these three methods. It can be summarized into eight ways: attention exercise, observation exercise, comparison exercise, pairing exercise, memory exercise, muscle exercise, combination exercise and naming exercise.

Binomial is a concrete demonstration of the cubic power of algebraic formula (a+b), and each combination of terms has a rectangular square corresponding to it. Preschool children can explore this teaching aid by visually recognizing colors and shapes, which is an indirect preparation for learning algebraic binomial. Teaching aid composition: a binomial wooden box.