![]() Note that the middle letter denotes the vertex point of the angle. Worksheet 1 - to 5 degrees Worksheet 2 - to 1 degree + answers + clipart. ![]() ![]() In these worksheets, students use a protractor to draw and measure angles and determine if the angles are acute, obtuse, straight or 90 degrees. Drawing and measuring angles with a protractor. Protractors come in two sizes: 180 degrees (a hemisphere shape) or 360 degrees ( a circle shape). Measure angles in whole-number degrees using a protractor. A protractor is a mathematical instrument used for measuring the size of angles in degrees. Understand concepts of angle measurement. Students measure angles with a protractor and classify them as acute, obtuse and right angle. Rotate the protractor into position and report your measurement to the nearest whole number Recognize that angles are formed when two rays share a common endpoint. This complete guide on how to use a protractor includes several examples, an animated video mini-lesson, and a free worksheet and answer key.īefore we learn how to use the protractor tool to measure angles, let’s do a super quick review of angle notation (understanding this important skill will make learning how to use a protractor much easier).Īngle Notation: In geometry, an angle is denoted by the ∠ symbol and includes 3 consecutive letters which represent the three points that form the angle. Drawing and measuring angles with a protractor. Angle measurement and classification worksheets. Welcome to this free lesson guide where you will learn how to read a protractor and how to use it to measure angles. Worksheets 4.MD.6 Measuring angles with a protractor 4.MD.
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