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- 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
- 7th - 8th
- Rating

Students participate in a two-week real-life math unit. In pairs, they calculate salaries, taxes, and a budget, plan a vacation, buy insurance, make a will, and design a room. They conduct Internet research to plan the vacation, and write checks to balance their checkbook. Full Review »
- Grade Range
- 3rd - 5th
- Rating

Students use Twizzlers candy to construct polygons, shapes, and angles. They use geometric terms (acute, obtuse, congruent, parallel, etc.) to describe the shapes and angles they create. Full Review »
- Grade Range
- 4th
- Rating

Students sort two-dimensional shapes and identify and describe attributes of the shapes. Attributes for sides (congruent, parallel, perpendicular) and angles (congruent, acute, obtuse, right) are investigated. Full Review »
- Grade Range
- 6th - 8th
- Rating

Students, as a final project, draw a picture of their ideal neighborhood on a sunny day. In addition to the sun, their drawings include homes, trees, streets, and selected objects. Each object in their drawing has a written description using geometric terms. Full Review »
- Grade Range
- 11th - 12th
- Rating

Students construct both series and parallel circuits then calculate the resistance, voltage, and amperage for each circuit. They then use formulas to calculate electrical energy and power. Full Review »
- Grade Range
- 9th - 10th
- Rating

Students examine parallelism in sentence in text before searching for lessons at websites. They review Lincoln's Gettysburg Address to find examples of parallelism and look at the Declaration of Independence for the same. They word process an original piece of writing in which they highlight their use of parallelism by using a different color for the text. Full Review »
- Grade Range
- 7th
- Rating

Students explore similar shapes and angles. Given parallel lines and a transversal, students identify supplementary, complementary, corresponding, alternate interior and alternate exterior angles. They discuss the relationship between angles and their location. Students use functions to determine similar and congruent triangles. Full Review »
- Grade Range
- 5th
- Rating

Students investigate the concept of proportionality and how it is used in scale drawings. They compare and contrast different sketches looking for the use of proportion. The students write down an explanation of the concept in writing along with the drawing. Full Review »
- Grade Range
- 1st - 6th
- Rating

Students research the history of American Folk Art, as evidenced in weathervanes and whirligigs. They compare and contrast the traditional examples they find with their more modern drawings. They then recognize and apply math terms such as diagonal, parallel, and perpendicular. Full Review »

