Intended for children in grades 4 through 6, Book 2 of the Strayer-Upton Practical Arithmetics series builds upon the foundational operations introduced in Book 1. Covered in the first part of Book 2 are the topics of more complex addition and subtraction problems, making change, short and long division, proper and improper fractions, whole number place values, Roman numerals, magic squares, finding the least common denominator, and fraction addition,...