This book introduces the four operations of addition, subtraction, multiplication, and division, along with counting and other basic skills. While the material included extends beyond the average second grade course, by using the Ray’s mental system most second graders are able to complete this work.
Ray's New Primary Arithmetic - paperback
Publisher: Mott Media
Format: Paperback Book
Author: Joseph Ray
Grade: 1, 2, 3
Topic: Mathematics - Elementary Arithmetic