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About this Site
Geometry lessons, Flash mini-movies, and more built just for teachers and their students! All activities are standards-based and perfect students in the middle grades. Check out the standards covered by all the student activities at Everything Geometry.
Contents
Basics of Geometry:
- use standard language to describe line, segment, ray, parallel and perpendicular, intersection, and transversal.
Angles:
- identify and describe the relative size of acute, obtuse, and straight angles with respect to right angles.
Circles:
- identify and determine relationships among the radius and diameter of a circle.
- use the formula for finding the circumference of a circle.
- identify and draw chords and tangents on a circle
- identify and draw a circular sector
Classify Quadrilaterals:
- classify and describe quadrilaterals by using their properties: perpendicular/parallel sides congruent angles/sides etc.
Classify Triangles:
- classify and describe triangles by using their properties; e.g. angle measures, congruent angles/sides.
Area & Perimeter:
- determine area and perimeter of rectangles.
- demonstrate that two shapes may have the same perimeter, but different areas or may have the same area, but different perimeters.
More Geometry: Angles
| Basics of Geometry | Circles
| Classifying Quadrilaterals
| Classifying Triangles |
Area & Perimeter
Stay up to date on all of our new, free mini-movies and student activities as they are added to the site each month.
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