Free Math Course at: Foundations of Math Playlist: Foundations of Math #1, Whole Numbers: Foundations of Math #2, Fractions: Foundations of Math #3, Decimals: Foundations of Math #4, Percentages: Foundations of Math #5, Ratio, Proportion, and Rate Problems: Foundations of Math #6, Exponents and Square Roots: The notes and sample problems are at: This is the first video of a foundational math course to help study for any trades exam. I go over whole numbers and their operations of addition, subtraction, multiplication, and division, with sample problems. Good resources: (paid link) Mathematics for Carpentry and the Construction Trades, Measurement Toolbox cards: Get a TopSaw: