Welcome to the Construction Measuring and Marking Series: In this video, we will review the basics of how to use a construction speed square - sometimes called a framing square or rafter square. Video lessons in this series include Tape Measure Use, how to Read a Tape Measure including the inches and fractions, and all the other marks and symbols. There are also videos on the Speed Square, Chalk line, and levels. Join us for the entire lesson series Please support our channel and click subscribe Now! If you want to learn more - please consider enrolling in one of our FREE courses at TradeSkillsU.com, our learning portal designed to support trades education. The course is free and you can also earn digital credentials upon completion. Check it out and learn like the pros - https://www.tradeskillsu.com/ If you teach construction and need instructional resources for your construction training - please check out our website for more information on our no-cost resources. https://www.teachconstruction.org/ 0:00 Squaring and 90 degrees 1:09 Parts of a Speed Square 3:14 Marking squared and parallel lines 9:17 Measuring and marking angles 15:53 Speed square saw guide