This mathematics textbook, written in Portuguese, is the third book of a Mathematics Program in Portuguese. It is designed for third graders. It closely follows the objectives and methodology of the major curricula used throughout the schools in the United States. The 11 chapters deal with: numeration (0-999,999); addition with and without…

This grade 3 textbook, the third in a series of elementary science textbooks written in Portuguese, consists of readings, activities, and review exercises on biological, physical, geological, and nutrition/health concepts. The book is organized into nine sections. Among the topic areas included in these sections are: (1) solar energy, electricity,…