Geometry
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Geometry
Geometry and Measurement BrainPOP videos
Shapes
Triangles
Quadrilaterals
Types of Triangles
Explore a Rectangle
Triangle Sort
The Quadrilateral Family
Triangle Quiz
Quadrilateral Quest
Measurement
Shape Explorer
Studyzone
Finding Perimeter
E Lab
Finding Area
Area and Perimeter of Rectangles
Area and Perimeter
Area Quiz
Areas of Triangles
H-M Math
Extra Practice
Challenge
MathSlice Quiz
3D Boxes/Volume
Congruent
Congruent Figures
Similar and Congruent
Sign Video
Cool Math 4 Kids
Transformation and Rotation
Symmetry
Line of Symmetry
Symmetry Lesson
Thinkquest
Symmetry
Shape Game
Symmetric Sketching
Show Me
Symmetry
Lines
Angles
Classifying Angles
Angle Activities
Types of Angles
Interactive Angles
Right Back At You
Angles
Points and Rays
Challenge Geometry MATHO
Tessellations
A tessellation is an endlessly repeating pattern of shapes that fit together like pieces of a jigsaw puzzle. The patterns are formed by interlocking congruent figures (congruent means "the same size and the same shape").
What are Tessellations?
Tessellate!
Cyberchase Video
For Real
Tessellation Hall of Fame
Interactive Tessellations
Design a Tessellation