To help children organize their experiences of the environment and develop logical thinking we need to develop some basic concepts. They are:
Concept of color
Concept of shape
Concept of space
Pre Number Concepts: for example, big-small. Fat-thin, long-short, high-low, heavy-light, more-less, before-after. Concept of Time and Temperature
Environmental Concepts-concepts related to the physical, biological and social environment.
Concept formation takes place in an orderly way in a developmental sequence. Hence, the following principles have to be kept in mind while planning activities and experiences.
For each concept, children should be given experiences in the following sequence
Matching activities (at the perceptual level).
Identification and Naming activities (at the verbal level i.e. activities involving the language).
Seriation activities (child must be able to make relative comparisons and grade the experiences e.g. from biggest to smallest; lightest to darkest) .