Math at Hand is a teacher resource book that contains academic content and vocabulary for learning, reinforcing, and reviewing math topics for the upper elementary grades, making it an excellent resource for individual exploration and classroom investigation and one of the best mathematical reference books published today. This versatile handbook covers a wide range of topics from number theory, algebra, geometry, fractions, probability, statistics, ratios, etc. in a simple, highly illustrated, and easily referenced index to almost any math problem encountered from elementary grades to high school. Highly recommend you keep a copy at home for children's homework help and one at the office for reference. Math at Hand empowers students to become more responsible for their own learning, reviewing, relearning, and researching. Explanations and examples are provided to complement any textbook and teach difficult topics, including cross curricular resources packed with conversion tables, time zones, map reading, and more.