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- Grade Range
- 6th - 8th
- Rating
Students construct right triangles, measuring the sides and recording the measurements in spreadsheets. They analyze their measurements for patterns and research the Internet for information on Pythagoras. Full Review »
- Grade Range
- 9th - 10th
- Rating
Students discover the angle theorems related to parallel lines. They apply the theorems to find angle measurements when given the measurement of some angle and discover learning by comparing measurements and types of angles. Full Review »
- Grade Range
- 8th - 9th
- Rating
Students complete a unit of lessons regarding building a more complete earth model. They calculate the circumference of a sphere, locate specific positions on a map or globe using coordinates, and write summaries of the earth's apparent shape. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students apply studies of the Pythagorean Theorem in order to understand how it works and the mathematical proof for it. This is done using area to justify the theory. Application of the theorem to real life situations is practiced by students. Full Review »
- Grade Range
- 12th - Higher Ed
- Rating
Students are introduced to a gas chromatography using a discovery-based approach. They are presented with a scenario/industrial application where their job is to verify that the company's mouthwash contains a specific percentage of ethanol. Students discover that ethanol can be detected by gas chromatography and that peak height can be related to percentage of ethanol. Full Review »
- Grade Range
- 7th - 10th
- Rating
Students listen to an explanation of yeast cells and how they effect bread and beer. They discuss the ways alcohol affects the human body and participate in an indirect observation about cell respiration in yeast-molasses cultures. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students are introduced to the topic of proofs in Geometry. During a PowerPoint presentation, they take notes on indirect proofs and have groups of students write a true statement. They are assessed on the statement and how well they work with others in their group. Full Review »
- Grade Range
- 8th - 9th
- Rating
Students compare apparent and actual shape of Earth, calculate circumference to arrange planets in order by size, locate specific position on map or globe using coordinates, and describe relationship between altitude of Polaris and person's latitude in Northern Hemisphere. Full Review »
- Grade Range
- 6th - 7th
- Rating
Students construct a variety of right triangles using a right-angled set square, cutting corners from pieces of paper or cardboard, and using dynamic geometry software. They measure the sides of these various right triangles and record measurements in a spreadsheet. Students use the spreadsheet to look for possible patterns in the measurements. They also use the spreadsheet to square the values of each measurement and to look for possible relations among squared values. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students participate in a lesson that is concerned with the investigation of triangles. They recognize congruent figures when presented and then discuss the meaning of congruence. The definition is used in order to plan and write proofs. Full Review »
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