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Angles and Polygons

Angles and Polygons. Grade 6 unit four. Recap…. You know what these angles are called Acute Obtuse Right Reflex Straight. You know how to use the protractor to measure angles. Click on the link below for a quick recap on how to measure angles.

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Angles and Polygons

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  1. Angles and Polygons Grade 6 unit four

  2. Recap… • You know what these angles are called • Acute • Obtuse • Right • Reflex • Straight

  3. You know how to use the protractor to measure angles. • Click on the link below for a quick recap on how to measure angles. • http://www.youtube.com/watch?v=SFvtQN3LMWE&feature=fvwrel • This video will also show how to draw an angle which is today’s lesson.

  4. Watch this video clip and answer these questions in your coil note book. • http://www.youtube.com/watch?v=CRf0DTMO-rc • 1) what are the four steps to draw an angle ? • What is the additional step for drawing a reflex angle ?

  5. Draw some angles • While listening to links • Below draw some acute angles . Use the degrees listed. Do this in your coil note book. Use ruler and a protractor. • A) 20 * b) 75* c) 50* • http://www.youtube.com/watch?v=j8sF8k6DnI&feature=related • http://www.youtube.com/watch?v=yptZt9hwrzU&feature=related

  6. Now try some obtuse angles • Use a ruler and a protractor . Create these angles in your coil notebook. • A) 120* • B) 95* • C) 170* • Watch the link about obtuse angles. • http://www.youtube.com/watch?v=LWdLCvKmCAY

  7. Try these games below. • http://www.amblesideprimary.com/ambleweb/mentalmaths/protractor.html • http://resources.oswego.org/games/bananahunt/bhunt.html

  8. More games about angles ! • http://www.bbc.co.uk/keyskills/flash/kfa/kfa.shtml • www.innovationslearning.co.uk/subjects/maths/activities/year6/angles/game.asp

  9. Done ? Get the purple text book Turn to page 142 and do question #6

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