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Home : 2010 : Jan : 25

    some ideas
    By cptjway
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    You could have the students work in pairs to do a "scavenger hunt" in your room, to find examples of each type of angles. Example: the squares on the floor are right angles, the letter A on the bulletin board shows an acute angle. They could write each example on a sticky, then stick them on the board under labels: right, acute, obtuse, straight.

    Or, I have students stand up and show the angles with their arms as I call out different angles.

    They could do a sorting activity, either on a smart board or on individual worksheets.

    I also teach angles using a "new, handy-dandy highly technical" measuring tool: the index card! It's a right angle if the corner of the card fits exactly; it's acute if you line up one edge on one ray of the angle, and the other edge is hidden under the card; it's obtuse if you line up one edge on a ray, and the other line is visible and open.

    Hope this all makes sense.

    View the original thread this idea was posted on


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