If you have any comments or problems on this workbook, please email them to fho1928@gmail.com.Ho Math Chess(TM)= math + puzzles + chess Frank Ho, a Canadian math teacher, intrigued by math and chess relationships after teaching his son chess, started Ho Math Chess(TM) in 1995. His long-term devotion to research has led his son to become a FIDE chess master and Frank's publications of over 20 math workbooks. Today Ho Math Chess(TM) is the world's largest and the only franchised scholastic math, chess, and puzzles specialty learning centre worldwide. Ho Math Chess(TM) is a leading research organization in math, chess, and puzzles integrated teaching methodology. There are hundreds of articles already published showing chess benefits children and that math puzzles are an excellent way of improving brainpower. So, by integrating chess and mathematical chess puzzles, the learning effect is more significant. Parents send their children to Ho Math Chess(TM) because they like Ho Math Chess(TM) teaching philosophy - offering children problem-solving questions in various formats. The questions could be pure chess, chess puzzles, mathematical chess puzzles like logic, pattern, tree structure, Venn diagram, probability and many more math concepts. Ho Math Chess(TM) has developed a series of unique and high-quality math, chess, and puzzles integrated workbooks. Ho Math Chess(TM) produced the world's first workbook Learning Chess to Improve Math. This workbook is not only for learning chess but also for enriching math ability. This sets Ho Math Chess apart from other math learning centres, chess club, or chess classes. The teaching method at Ho Math Chess(TM) is to use math, chess, and puzzles integrated workbooks to teach children fun math. The purposes of Ho Math Chess(TM) teaching method and workbooks are to: -Improve math marks.-Develop problem-solving and critical thinking skills.-Improve logical thinking ability.-Boost brainpower. Testimonials, sample worksheets, reports, and franchise information can be found at www.homathchess.com. More information about Ho Math Chess(TM) can also be found from the following publications: 1. Why Buy a Ho Math Chess(TM) Learning Centre Franchise: A Unique Learning Centre? 2.Ho Math Chess(TM) Sudoku Puzzles Sample Worksheets 3.Introduction to Ho Math Chess(TM) and its Founder Frank HoThe above publications can be purchased from www.amazon.com.