Instructions for a game for pupils to play in pairs, basically drawing random lines to make an angle, both estimating the angle, then measuring to see who was closer.Ī spot the mistake animated question to address misconceptions.Īs always, printable worksheets and answers included. Worksheets usually contain pictorial representations of protractors so, kids can see where the vertical line from the 90° mark meets its baseline. The second and third offer more practice but also offer a deeper purpose - see the cover image. Tutors use a measuring angles on a protractor worksheet to explain to kids how to use the tool: set the protractor’s middle point to measure an angle accurately. The first is simple angle measuring, with accurate answers provided. Three short worksheets of questions for pupils to consolidate.In this lesson students identify how angles are used in the outside. These are all animated to a high standard and should help pupils avoid developing any misconceptions about how to use a protractor. Activities for grades 3-5 classrooms Chris Confer. It also includes examples of subtle ‘problem’ questions like the answer being between two dashes on the protractor’s scale or the lines of the angle being too short to accurately read off the protractor’s scale. The range of examples includes measuring all angle types using either the outer or inner scale. An extended set of examples, intended to be used as mini whiteboard questions, where an angle is shown and then a large protractor is animated, leaving pupils to read off the scale and write down the angle.The angles are all very close or equal to 90 degrees, so pupils have to come up with a way (using the gridlines) to decide. Designed to come after pupils have been introduced to acute, obtuse and reflex angles and they can already estimate angles.Ī nice set of problems where pupils have to judge whether given angles on a grid are acute, 90 degrees or obtuse. Includes lots of large, clear, animated examples that make this fiddly topic a lot easier to teach. A protractor is a transparent plastic tool used to measure angles from 0° to 180°the two sets of numbers on a protractor increase in opposite directions. A complete lesson on how to use a protractor properly.
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