Introduction to numbers and numbers name book contains numbers 1 to 1000. This also includes numbers name from 1 to 150, tables 2 to 20. This book helps children to build a foundation for mathematics skills. The book is also an excellent first step to prepare for school. The book can be used by parents, kindergarten teachers, and therapists to build a foundation for the mathematics skills of the baby. Introduction to numbers and numbers name is for children aged from 2 to 7 years.