Geometry foundations - Identify rays, lines, & line segments
Identify rays, lines, & line segments
Draw rays, lines, & line segments
Points, lines, and planes
Geometric definitions
Measure angles
Angle types
Vertical angles
Equation practice with vertical angles
Complementary and supplementary angles (visual)
Equation practice with angle addition
Angle relationships with parallel lines
Equation practice with angles
Finding angle measures between intersecting lines
Finding angle measures using triangles
Angles of a polygon
Triangle side length rules
Quadrilateral types
Quadrilateral angles
Area of triangles
Area of parallelograms
Area of trapezoids
Areas of shapes on grids
Area of composite shapes
Radius and diameter
Area of a circle
Shaded areas
Circumference of a circle
Nets of polyhedra
Surface area using nets
Surface area
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Identify transformations
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Translate points
Determine translations
Translate shapes
Rotate points
Determine rotations
Rotate shapes
Reflect points
Determine reflections
Determine reflections (advanced)
Reflect shapes
Find measures using rigid transformations
Rigid transformations: preserved properties
Mapping shapes
Dilate points
Dilations: scale factor
Dilations: center
Dilate triangles
Dilations and properties
Sequences of transformations
Defining transformations
Proofs with transformations
Symmetry of 2D shapes
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Congruence & transformations
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Determine congruent triangles
Find angles in congruent triangles
Find angles in isosceles triangles
Up next: Similarity & transformations
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Similarity & transformations
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Determine similar triangles: AA
Determine similar triangles: SSS
Solve similar triangles (basic)
Solve similar triangles (advanced)
Solve triangles: angle bisector theorem
Use similar & congruent triangles
Right triangles & trigonometry
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Use Pythagorean theorem to find right triangle side lengths
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Use Pythagorean theorem to find isosceles triangle side lengths
Pythagorean theorem challenge
Special right triangles
Trigonometric ratios in right triangles
Solve for a side in right triangles
Solve for an angle in right triangles
Right triangle word problems
Solve triangles using the law of sines
Solve triangles using the law of cosines
General triangle word problems
Up next: Volume and surface area of cylinders
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Volume and surface area of cylinders
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Solid geometry word problems
Density word problems
Cross sections of 3D objects (basic)
Cross sections of 3D objects
Rotate 2D shapes in 3D
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Distance between two points
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Midpoint formula
Divide line segments
Area & perimeter on the coordinate plane
Points inside/outside/on a circle
Coordinate plane word problems: polygons
Parallel & perpendicular lines from graph
Parallel & perpendicular lines from equation
Write equations of parallel & perpendicular lines
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Arc measure
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Arc measure with equations
Arc length
Radians & degrees
Radians & arc length
Area of a sector
Inscribed angles
Inscribed shapes
Inscribed quadrilaterals
Tangents of circles problems
Features of a circle from its standard equation
Graph a circle from its standard equation
Write standard equation of a circle
Features of a circle from its expanded equation
Graph a circle from its expanded equation