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Learning geometry is more than just identifying shapes, it is a complex mathematical system that also incorporates points, lines, and planes. Help you little one start off on the right track with this tricky subject using our geometry practice materials. Turtle Diary offers an array of math quizzes aimed at challenging and exciting your child. The geometry practice test will test your children's conceptual foundation and show them the areas in which they have room for improvement. Click below to get your child started on our interactive geometry quiz!

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Learning geometry is more than just identifying shapes, it is a complex mathematical system that also incorporates points, lines, and planes. Help you little one start off on the right track with this tricky subject using our geometry practice materials. Turtle Diary offers an array of math quizzes aimed at challenging and exciting your child.

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Virtual Manipulatives for Mathematics Classrooms: polygons, number and algebra tiles, fraction bars, tangram, pentominoes, and more.

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These websites, apps and magazines showcase the incredible breadth and beauty of mathematics.

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Estimation - visualize angle sizes

Common Core Connection for 4th Grade

Recognize angles as geometric shapes formed wherever 2 rays share a common endpoint.
Understand concepts of angle measurement.
Measure angles in whole-number degrees using a protractor.

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Play Alien Angles at MathPlayground.com! Estimate each angle. Compare your estimate with a protractor.

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The Four Types | Angle Game | Turtle Diary

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Learn about The Four Types of angles in this Angle Game from Turtle Diary! You'll be an expert on Obtuse, Acute, Right, and Straight angles in no time!

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Using a Protractor to Measure Angles: 4.MD.6

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TpT 6 day lessons

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Get access to files anywhere through secure cloud storage and file backup for your photos, videos, files and more with Google Drive.

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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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SafeShare.tv - Math Antics - Triangles...

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SafeShare.tv removes unwanted distractions from YouTube and Vimeo videos and reduces ads, so you can focus on the content. Perfect for schools and businesses!

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SafeShare.tv - Solving for an angle | Geometry | 4th gr...

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Let's use a little math with our geometry and see if we can solve for a mystery angle. In this example we know the adjacent angle AND the combination of the mystery angle and the adjacent angle. Mystery angle...how big are you?

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Measuring angles - Degrees and Protractors

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We can measure Angles in Degrees. There are 360 degrees in one Full Rotation (one complete circle around). In this lesson we learn how to measure the size of an angle, and how to contruct angles usin

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SafeShare.tv removes unwanted distractions from YouTube and Vimeo videos and reduces ads, so you can focus on the content. Perfect for schools and businesses!

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SafeShare.tv - Drawing Angles With a Protractor...

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SafeShare.tv removes unwanted distractions from YouTube and Vimeo videos and reduces ads, so you can focus on the content. Perfect for schools and businesses!

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This video shows how to measure and draw angles using a protractor. This video will be understood better if you watch the video "Estimating and Understanding Angles" first.

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teacherled interactive whiteboard ipad teacher classroom resource math maths mathematics education shape angles protractor acute obtuse angle

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Classroom activity for the interactive whiteboard, android tablet or iPad

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SafeShare.tv - Angles Music Video by Peter Weatherall...

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SafeShare.tv removes unwanted distractions from YouTube and Vimeo videos and reduces ads, so you can focus on the content. Perfect for schools and businesses!

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SafeShare.tv - Parallel, Perpendicular & Intersecting L...

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Points, Lines, Segments, Rays - BrainPOP Jr.

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What's a 360?

In this video segment from Cyberchase, Harry is snowboarding and wants to do a move on his snowboard known as a "360." He is not sure what exactly a "360" is, but a snowboard instructor teaches him about angles and snowboard moves. Harry finally creates his own snowboard version of a "360."

Learn more about Cyberchase.

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In this video segment from Cyberchase, Harry is snowboarding and wants to do a move on his snowboard known as a "360." He is not sure what exactly a "360" is, but a snowboard instructor teaches him about angles and snowboard moves. Harry finally creates his own snowboard version of a "360."