Curated OER
Linear Equations
In this algebra learning exercise, students solve and graph linear equations. They differentiate between parallel and perpendicular lines. There are 35 questions about graphing.
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Exploring Slope
Students explore the physical aspect of a slope. In this algebra instructional activity, students graph a slope and write an equation for a slope. They identify slopes of zero, negative lines and positive lines.
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Mathematics Within: Algebraic Patterns
Students discover patterns in linear equations by playing a dice game to collect data. They graph the data and analyze the patterns of the lines created by the data. The class then compares the individual graphs to evaluate the position...
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"it's All in the Cellar"
Seventh graders examine the process of constructing a site plan map at archaeological sites. They discuss the process of mapping techniques and calculation of percentages, create a plan site map of a cellar at Jamestown, and calculate...
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Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Learners explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...
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Systems of Inequalities
For this Algebra I/Algebra II worksheet, students determine the solution to a system of inequalities by graphing. The two page worksheet contains explanation, instruction, and four worked problems.