![]() ![]() Print out the 6 questions as a PDF (the protractor image will not be included) and practice using your own “real” protractor to measure the angles. Download the questions as a PDF worksheet Share the link with all your remote students during zoom class and practice measuring the same set of angles, or assign the same set of questions as homework to the whole class. Use the URL displayed at the top to load the same set of angles. Keep practicing with new questionsĬlick the “New Questions” button to generate a new set of questions. Make sure you are reading off the correct set of markings. Note: there are two scale markings corresponding to left-to-right ( black) and right-to-left ( blue) angle measurement. Angles within 2 degrees will be marked as correct. Check your answersĮnter your answers in the respective boxes, then click “Check Answers” button to check your answers. Protractor is highlighted in red when rotating. Rotate the on-screen protractor using (desktop) shift-key + left mouse drag or (tablet) two-finger touch and rotate. Protractor is highlighted in green when moving. Move the on-screen protractor using (desktop) left mouse drag or (tablet) single finger touch and drag. Using the interactive protractor app on screen To use it, align the horizontal line on the protractor to one of the two lines that make up the angle you want to measure, then read off the angle on the appropriate scale on the curve edge of the protractor. More about the Protractor Practice App What is a Protractor?Ī protractor is a tool to help you measure angles, kind of like a ruler, but with degrees markings on a circular edge.
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