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Angles
Area
Customary Units of Measurements
Data Analysis
Elapsed Time
Geometry
Graphs
Motion in Geometry
Negative Numbers & Graphing
Probability
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Math Games!
Lots of games and tools that children can use working with pattern blocks, geoboards, plane shapes, tangram puzzles, angles, and others!
Two rays with the same endpoint form an
angle
. The endpoint is called the
vertex
.
In geometry, an angle is the amount of bend between two lines or line segments that intersect in the same plane.
In order to measure an angle, a circle, which is a twodimensional shape in a plane, is divided into 360 pieces called degrees.
An
acute
angle is more than 0 degrees and less than 90 degrees.
An
obtuse
angle is more than 90 degrees and less than 180 degrees.
A
right
angle is exactly 90 degrees.
A right angle is also symbolzied by:
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Two rays with the same endpoint form an angle. The endpoint is called the vertex.
In geometry, an angle is the amount of bend between two lines or line segments that intersect in the same plane.
In order to measure an angle, a circle, which is a twodimensional shape in a plane, is divided into 360 pieces called degrees.
An acute angle is more than 0 degrees and less than 90 degrees.
An obtuse angle is more than 90 degrees and less than 180 degrees.
A right angle is exactly 90 degrees.
A right angle is also symbolzied by: