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Click the video and answer the questions as you view.

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Easily create beautiful interactive video lessons for your students you can integrate right into your LMS. Track students' progress with hassle-free analytics as you flip your classroom!

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4 Types of Angles: Acute, Obtuse, Right, & Straight

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4 Types of Angles: Acute, Obtuse, Right, & Straight

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Identify these angles as you view the instructional video below.

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Practice classifying angles with Khan Academy.

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If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

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Angle types (practice) | Plane figures | Khan Academy

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If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

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Do not sign in, just practice using the game. Play as many times as you want.

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Watch the following video.

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HOW TO USE A PROTRACTOR TO MEASURE ANGLES!

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1) First, classify what type of angle you will measure (acute, obtuse,..etc.)
2) Next, use the protractor to measure your angle, remember to line up the red line on the bottom of your protractor with the base of your angle. Enjoy!

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Using a Protractor - measure angles
Estimation - report angles to the nearest whole number

Common Core Connection for 4th Grade

Recognize that angles are formed when two rays share a common endpoint.
Understand concepts of angle measurement.
Measure angles in whole-number degrees using a protractor.

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Measure Angles at Math Playground! Practice measuring angles with a protractor.

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Use today to catch up on work for the week and practice the vocabulary in preparation for the weekly check in that is due tomorrow.

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After you've completed the work for the week, complete this short quiz. Click submit at the bottom when you are finished.

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Google Forms - create and analyze surveys, for free.

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Assignment: You do! Post a real life example of geometry in your world.

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Assignment: You do! Post a real life example of geometry in your world.

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First, here is an instructional video showing you how to post on the next slide.

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Now post a photo or video of something you found outside or in your house that shows a geometric figure. If you can’t take a photo, post a sentence of something that you saw.