Measuring Angles
Presentation
•
Mathematics
•
4th - 5th Grade
•
Medium
Standards-aligned
Brittany Elliott
Used 119+ times
FREE Resource
13 Slides • 8 Questions
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Measuring Angles
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Math Message
Max measured an angle. He said the angle was 4 centimeters wide. Does his measurement make sense?
Why or why not?
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Acute Angles
Acute angles are SMALLER than a right angle.
They measure between
0° - 89°
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Acute Triangles
A triangle with THREE acute angles.
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Right Angles
Acute angles are SMALLER than a right angle.
They measure 90°
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Right Triangles
A triangle that has ONE right angle.
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Obtuse Angles
Obtuse angles are BIGGER than a right angle.
They measure between 91°-179°
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Obtuse Triangles
Any triangle that has ONE obtuse angle.
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Multiple Choice
What Type of Triangle is this?
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Multiple Choice
What Type of Triangle is this?
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Multiple Choice
What Type of Triangle is this?
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Multiple Choice
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Multiple Choice
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Multiple Choice
What is the measure of ∠DEF
in the figure below?
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Multiple Choice
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Multiple Choice
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Math Journal page 213
What type of angle is Angle A?
Align the middle mark on the measurer over the angle's vertex.
Look in the direction of the arc. Read the degree measure where the other side of the angle crosses the edge of the measurer.
Measuring Angles
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