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Coded Messages
Students solve matrices by multiplication. In this algebra lesson, students create coded messages and relate it to solving matrices. They multiply and find the inverse of matrices.
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Solving Systems with Row Operations 1
Students solve systems of equations. In this algebra lesson, students use matrices to solve linear equations. They use reduced row echelon-form and scalar multiplier to simplify the matrices completely.
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Matrix Transformations
Students perform reflections of polygons. In this algebra lesson, students use matrices to calculate the reflection across the x and y axis. They also calculate rotation representing 90 and 180 degrees around the origin of the coordinate...
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Extraneous Solutions
Students find the roots of quadratic equations. In this algebra instructional activity, students solve radical equations and identify the positive and negative roots. They graph and analyze their functions.
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Polynomials: Factors, Roots and Zeroes
High schoolers factor polynomial equations. In this algebra lesson, students identify the zeros of the equations. They use algebra to rewrite word problems using symbols.
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Graph Logarithms
Mathematicians graph logarithmic equations. Teach your students how to identify the intercepts of logarithmic equations and tell whether the function is increasing or decreasing. They find the domain and range of each function.
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Solving Exponential Equations
Solving exponential and logarithmic equations is taught in this interactive lesson. Students use properties of logarithm and exponents solve functions. They estimate the solution and use the Ti to find the exact solution.
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The Art and Culture of Spain
Students can explore the history, culture and art of Spain with motivating activities.
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History and Culture of Turkey
An exploration of the history and culture of Turkey can provide students with a greater understanding and appreciation of this region.
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National Tragedy, Global Response
Students explore how different people on local, national and international levels respond to a destructive natural disaster and the needs of its victims and how various facets of the media cover such an event. The August 1999 earthquake...
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Our City
Second graders familiarize themselves with the town they live in by practicing their imagination, library research and writing skills.
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Tracking Gorillas in the Mist
Young scholars investigate the technologies used in monitoring and tracking the habitat of the mountain gorilla to better explain how technology is being integrated into conservation efforts.
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You're a Grand Ol' Flag
Students explore American flag and its symbols, and create an original flag that represents what they see in their own lives.
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Sultan's Lost Treasure
Learners view a video clip about a sultan's lost treasure. They examine artifacts and determine their characteristics. They complete a worksheet to end the lesson.
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Sudan -- Efforts to Avert Genocide in the Making
Students examine current events in Sudan and their efforts to prevent another genocide. They identify the roles of different humanitarian organizations in the area. They research the efforts to bring those accused of genocide to justice.
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Trade Impasse
High schoolers examine the concept of free trade. They watch a video clip about this topic and write an essay comparing the opinions of the guests on the show. They research a country and role-play their decisions in international trade.
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What Turns Seeds On?
High schoolers design, implement, and report a scientific research project using the scientific method. They explain the experiment and its findings through poster, essay , or other presentation method.
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Topography of Africa
Students study Africa's diverse landscape and investigate how these features impact the available water supply, food sources, and population distribution of the continent. They compare topographical features and
their affect on each...
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Volumes of Rectangular Prisms
Students determine the volume of a rectangular prism. They then maximize and minimize the volume given variable side lengths. Finally, they factor the volume equation to determine the side lengths.
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Approaching Limits
With the assistance of their Ti-84/Ti-83 Plus calculators, young scholars develop a foundation for the limiting process as well as estimate limits from graphs and tables of values. They view how a function behaves as the input approaches...
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Investigation the Derivatives of Some Common Functions
Students investigate the derivative of a function. In this calculus lesson, students explore the derivatives of sine, cosine, natural log, and natural exponential functions. The lesson promotes the idea of the derivative as a...
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30-60-90 Right Triangles in Cabri Jr.
Young mathematicians draw and label right triangles using Cabri Jr. technology. They create other special right triangles and identify the length of the hypotenuse and each leg. High schoolers explore the ratios to determine how the...
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Midsegments of a Triangle
Students analyze midsegments of triangles in this lesson. They use Cabri Jr. software to observe the relationships between interior angles and midsegments of triangles. Specific instructions for creating this lesson in Cabri Jr. are...
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What Events Led to Lincoln's Assassination?
Fourth graders investigate the assassination of Abraham Lincoln. In this American history lesson, 4th graders conduct research, share their findings, and write a report about the events leading up to the death of President...