Recognize Angles and Understand Angle Measurement: CCSS.Math.Content.4.MD.C.5 - 4th Grade Math
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What is an angle that measures less than 
called?
What is an angle that measures less than
By definition, an acute angle is any angle that measures less than 
.
By definition, an acute angle is any angle that measures less than
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Two rays that meet at one point, an endpoint, is called ___________.
Two rays that meet at one point, an endpoint, is called ___________.
By definition, an angle is composed of two rays that meet at a point, called the endpoint.
By definition, an angle is composed of two rays that meet at a point, called the endpoint.
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The image below can be described as a ___________.
The image below can be described as a ___________.
A line segment is a straight line that has a starting point and an ending point.
A line segment is a straight line that has a starting point and an ending point.
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What is an angle that measures more than , but less than 
called?
What is an angle that measures more than
By definition, and obtuse angle is any angle that measure more than 
, but less than 
.
By definition, and obtuse angle is any angle that measure more than
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What is a 
degree angle called?
What is a
By definition, a right angle measures 
.
By definition, a right angle measures
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An angle that measures 
is called ___________.
An angle that measures
By definition, a straight angle measures 
.
By definition, a straight angle measures
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The image below can be described as a ___________.
The image below can be described as a ___________.
By definition, a ray starts at a point and continues in a certain direction, with no endpoint.
By definition, a ray starts at a point and continues in a certain direction, with no endpoint.
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The image below can be described as ___________.
The image below can be described as ___________.
This image is an angle because it shows two rays meeting at an endpoint.
This image is an angle because it shows two rays meeting at an endpoint.
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The image below can be described as ___________.
The image below can be described as ___________.
The image shows an acute angle because it has a measure of 
, which is less than 
.
The image shows an acute angle because it has a measure of
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The image below can be described as ___________.
The image below can be described as ___________.
The image shows an obtuse angle because it has a measure of 
, which is more than 
but less than 
.
The image shows an obtuse angle because it has a measure of
Compare your answer with the correct one above
The image below can be described as ___________.
The image below can be described as ___________.
This image is a straight angle because it measures 
.
This image is a straight angle because it measures
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The image below can be described as ___________.
The image below can be described as ___________.
The image shows a right angle because the angle's measure is 
The image shows a right angle because the angle's measure is
Compare your answer with the correct one above
What is an angle that measures less than called?
What is an angle that measures less than
By definition, an acute angle is any angle that measures less than .
By definition, an acute angle is any angle that measures less than
Compare your answer with the correct one above
Two rays that meet at one point, an endpoint, is called ___________.
Two rays that meet at one point, an endpoint, is called ___________.
By definition, an angle is composed of two rays that meet at a point, called the endpoint.
By definition, an angle is composed of two rays that meet at a point, called the endpoint.
Compare your answer with the correct one above
The image below can be described as a ___________.
The image below can be described as a ___________.
A line segment is a straight line that has a starting point and an ending point.
A line segment is a straight line that has a starting point and an ending point.
Compare your answer with the correct one above
What is an angle that measures more than , but less than called?
What is an angle that measures more than
By definition, and obtuse angle is any angle that measure more than , but less than .
By definition, and obtuse angle is any angle that measure more than
Compare your answer with the correct one above
What is a degree angle called?
What is a
By definition, a right angle measures .
By definition, a right angle measures
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An angle that measures is called ___________.
An angle that measures
By definition, a straight angle measures .
By definition, a straight angle measures
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The image below can be described as a ___________.
The image below can be described as a ___________.
By definition, a ray starts at a point and continues in a certain direction, with no endpoint.
By definition, a ray starts at a point and continues in a certain direction, with no endpoint.
Compare your answer with the correct one above
The image below can be described as ___________.
The image below can be described as ___________.
This image is an angle because it shows two rays meeting at an endpoint.
This image is an angle because it shows two rays meeting at an endpoint.
Compare your answer with the correct one above