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- Grade Range
- 9th - 12th
- Rating
Students measure the circumference of the Earth. Like Eratosthenes, students use measurements of shadows cast by the sun, distance and time and Euclidean geometry to determine the circumference of the Earth. Full Review »
- Grade Range
- 7th - 12th
- Rating
Students are asked to visualize three-dimensional figures and apply this visualization to problem solving. Full Review »
- Grade Range
- 1st - 2nd
- Rating
Students explore and identify common geometric shapes. They play a concentration game to identify and state the names of common shapes. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students, after reading The Greedy Triangle, discuss shapes brought from home and describe them. They draw shapes out of a bag and explain them. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students review the parts of a circle, calculate the circumference and area of a circle, and create student-made tests on the geometry of circles using educational software. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students investigate the geometric theorems of congruence and similarity. In this lesson they attempt to prove if triangles are congruent or similar. They also apply some other properties of geometry for practice. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students study the language of geometry to discover, analyze, and communicate geometric concepts, properties, and relationships. They identify geometric figures in the world around them and view the website http://www.mathleague.com to get the definitions of types of angles Full Review »
- Grade Range
- 9th
- Rating
Students examine the relationship between sides and angles in geometry. They observe the teacher solve a variety of problems involving relationships between sides and angles and similar triangles, and independently complete a worksheet. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine how geometry is apparent in everyday life by accessing a web page that shows artwork that is based on shapes, symmetry, transformations, reflections, and perspective. They choose their own favorite artist's work to investigate for similar geometric principles. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students engage in a lesson that focuses on analytic geometry. The lesson asked them to apply skills of relating equations when plotting them on the coordinate plane. Students construct the equations using specific criteria and apply them. Full Review »
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