This book covers math concepts and principles taught in elementary school, including: whole numbers; decimals; fractions; percents; integers; powers, exponents, and roots; powers of ten; measurements; geometry; adding and subtracting; and, multiplying and dividing. Features 58 different lessons explained in two to three-page units; quick explanations of essential terms at the beginning of each chapter; factoids that get your kids more interested; exercises and answers at the end of many lessons; and, an appendix containing flashcards for added practice.