Foundations of Math Playlist: Foundations of Math #1, Whole Numbers: Foundations of Math #2, Fractions: Foundations of Math #3, Decimals: Electrician's Union Math Self Assessment: Foundations of Math #4, Percentages: Foundations of Math #5, Ratio, Proportion, and Rate Problems: Foundations of Math #6, Exponents and Square Roots: Foundations of Math #7, Perimeter, Area, and Volume: Foundations of Math #8, Introduction to Algebra: Foundations of Math #9, Intro to Probability and Stats: Foundations of Math #10, Intro to Sin, Cos, Tan: Foundations of Math #11, Solving Triangle Problems with trig: Foundations of Math #12, Intro to Graphing: Midterm Part 1: ASVAB Arithmetic Reasoning: Midterm Part 2: ASVAB Arithmetic Reasoning: Foundations of Math #10, Intro to Trig, Sin, Cos, Tan: The notes and sample problems are at: Link to test: Good resources: (paid link) Mathematics for Carpentry and the Construction Trades, Measurement Toolbox cards: Get a TopSaw: Overview for test preparation, Introduction to trigonometry, Sine, Cosine, and Tangent. Right tringle problems. How to solve trig problems.