Curated OER
Isosceles Right Triangle
In this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...
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Symmetry of Road Signs
Students identify symmetry in road signs. In this geometry lesson, students explore objects in the real world for symmetry. They perform translation, rotation and reflection.
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Seeing Is Believing
Students investigate the concepts of probability. They use data to find the central tendency, median, and mode. Students design and play a game in order to practice the concepts. They also complete a table with data that is analyzed.
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Graphs of the OTHER Trig Functions
Students graph trigonometric functions. In this precalculus lesson, students identify the properties of secant ,cosecant and cotangent. They use the unit circle as their formula to graph and analyze these functions.
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The Laws of Sines and Cosines Made Simple!
Young scholars study the law of sine and cosine. In this pre-calculus activity, students create a triangle and identify the different ratios of a non-right triangle. They use the properties of sine and cosine to solve.
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Clay Tile: Art Deco Style
Students analyze and classify sets of pictures using a mathematical classification system and create original works of Art Deco tiles using this new knowledge and four types of symmetry.
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Sensational Symmetry
Stdents create symmetrical designs by cutting folded paper in this cross-curricular lesson for the Math and Art classsroom. The lesson is adaptable for any grade or ability level.
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We're In The Money
Learn about the history of money, as well as counterfeiting, budget vocabulary, and money management. Much of the lesson requires a Nova video; however, it also includes numerous worksheets that may be useful even without the video....
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Group Isomorphisms
Students identify and apply properties of triangles. In this geometry lesson, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.
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"House of Cards"
Students explore different aspects of credit card use and discover some tools to help them use credit wisely. They listen to a scenario that students might encounter once they "get out into the real world." Students are given a copy of a...
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Ellipses and Kepler's First Law
The class examines graphs in the form r = F(¿¿) in polar coordinates (r, ¿¿), in particular with the circle, ellipse and other conic sections. They determine the nature of an ellipse by studying the role of the semimajor axis and...
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Exploring Harmonic Conjugates
High schoolers investigate harmonic conjugates using Cabri Software or the Ti Calculator to analyze harmonics. They explore different angles measurements as they move their circles around and solve problems.
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Trigonometric Form of Complex Numbers
This lesson is written from the perspective of a student teacher. A step by step lesson in which the class works on the trigonometric form of complex numbers. They convert between trigonometric and complex forms. They will also practice...
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Converting Fuels to Obtain Energy
Students experiment with converting fuels to energy. They also must identify different types of fuels and ways to conserve energy.
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What Drives the Stock Prices?
Students discover that earnings drive stock prices. They look for earnings growth from the continuing operations of a business. They also use price-to-earnings ratio as one of the tools in choosing stocks for the Global Stock Game.
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How Do You Analyze a Corporation?
Learners find out how to use annual reports to analyze a corporation whose stock they may buy for the Global Stock Game. They read the investor information section, which provides detailed information about the company's products and...
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Math: Number Systems
Students examine other number systems, particularly the binary number system. They discover how to convert from decimal to other base systems. Students analyze the advantages and disadvantages of using the coded decimals.
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Striking a Balance
Students participate in an activity that demonstrates the principles and dynamics of food chains. They discover that the sun's energy is captured by individual plants and transferred to animals.
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Making Sense of the Census
Learners problem solve the mean and median of agricultural data by completing a worksheet. They discuss the results of the statistical data.
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Graphing Quadratic Equations with a Coefficient of One
This is a teacher page for a lesson and does not include any materials to support the lesson. Students graph quadratic equations with a coefficient of one and create a table of values to graph a quadratic equation. They plot the values...
Alabama Learning Exchange
As If Numbers Weren't Complex Enough Already!
The class explores the concept of complex numbers on a website to generate their own Mandelbrot sets. They will practice performing operations with complex numbers and then to get a visual understanding, graph the absolute value of a...
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Excel
In this technology worksheet, learners are taught how to create documents using Excel. They follow the directions on a handout to help them create documents. They print their final work and submit it.
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Design of Experiments
In this statistics worksheet, students read studies and determine if they are experimental or observational. They identify the type of sampling used in 5 studies.
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Measures of Center
In this statistics worksheet, students find mean, median, and mode for 3 problems. They find the mean of summarized data in 2 problems.