The crooked rabbit is divided into four age groups of 2, 3, 4 and 5 years old, and each age group has five books, which are divided into five levels, step by step, so that children can play from kindergarten to preschool.

The content involves mathematical concepts such as classification, comparison, sequencing, correspondence, quantity learning, number concept, time, space, conservation, measurement and so on.

Through these, we can cultivate children's comprehensive thinking ability such as observation, analysis, summary and divergent thinking, and let children learn to solve practical problems by mathematical methods.

ISBN:97875 1 10 1055 1

Publishing House: Dolphin Publishing House

Pricing: 120 yuan