Reseña del libro "Math Competitions in South Texas: and some Magic Tricks (en Inglés)"
-Chapter 1: it covers algebra problems. Main topics are computational manipulation, percentages, quadratic equations, exponent rules, simple equations, simple word problems, systems of equations, proportionally and inversely proportionally problems, and more. -Chapter 2: questions involving graphs. We will discuss how to interpret graphical data, and some questions on lines and parabolas. -Chapter 3: some geometry problems. The central theme of this chapter includes measures of angles, of lengths (Pythagorean Theorem) and areas. -Chapter 4: number theory. We summarize divisibility rules for several numbers, and present really beautiful questions regarding it. We also cover Modular Addition and some clock calculations. -Chapter 5: a chapter on counting techniques. Besides the questions, chapter includes a brief explanation about permutations, combinations, probability, and other counting techniques. -Chapter 6: patterns and more. Several different types of questions in which the identification of a pattern may be crucial. Plus, there are some other problems that quite did not fit on previous chapters. -Chapter 7: some magic tricks. A chapter in which I summarize some magic tricks that could be explained via different base number systems.
