General Math Tmsca Study Guide

General Math TMSCA Study Guide

Here’s a positive, detailed review you can use or adapt for the :

1. Order of Operations (PEMDAS): Parentheses, Exponents, Multiplication/Division (L→R), Addition/Subtraction (L→R).
2. Set Notation:
   • Mean, median, mode, range, weighted averages
   • Basic probability (single/multiple events, independent/dependent)
   • Counting principle, permutations, combinations (nPr, nCr)
   • Interpreting graphs (bar, line, circle, stem-and-leaf)
   • TMSCA Official website – Past contests (member login often required)
   • MathCounts Handbook – Great for problem-solving practice
   • Beestar.org – Free word problems
   • Khan Academy – 7th & 8th grade math, Pre-algebra
   • Quizlet – Search “TMSCA General Math formulas”
   • Your coach – Ask for school-specific drills or invitational meet tests