Curated OER
Pythagorean Relationships
Oh that Pythagorean Theorem is so useful. Learners engage in a 45 minute learning activity that requires them to solve for missing angles and sides of a right triangle. They'll use the Pythagorean Theorem to find the rations of sides and...
Curated OER
Trigonometry Ratios
High schoolers identify the different angles and sides of a triangle. In this geometry lesson, students identify the six trigonometric ratios. They graph the graph of each trig function and analyze it.
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Area Formulas
Teach your pupils to calculate the area of different polygons. Learners create formulas to solve their problems. They use the TI navigator to graph their shapes and observe the change in area.
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Maximizing Your Efforts
Students graph systems of equation. In this algebra lesson plan, students find where the lines cross and identify the type of solution. They analyze a graph and write the equation of the line.
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Matrix Inverses
High schoolers solve problems with matrices. In this algebra lesson, students find the inverse of a matrix. They calculate the determinant and solve for the identity.
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Areas of Polygons
Young mathematicians calculate the area of polygons in this algebra lesson. They find the determinant as they calculate the areas for triangles and quadrilaterals. They also use scalar multiplication to find the determinant.
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Living on the Edge
Students calculate the volume of polyhedrons. In this algebra instructional activity, students are asked to solve a complex problem. They identify the length of the edges and the volume of the shape.
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Extraneous Solutions
Students find the roots of quadratic equations. In this algebra lesson, students solve radical equations and identify the positive and negative roots. They graph and analyze their functions.
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Follow the Falling Meteorite
Students use triangulation method to locate meteorite landing site on the map. In this earth science lesson, students participate in a meteorite treasure hunt set up by the teacher. They explain how this method is used by scientists to...
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Learning about Infectious Diseases
All of the activities and worksheets in this unit relate to learning about how infectious diseases spread & how the body deals with them. There is a collection of problem-based learning activities, as well very useful at-home...
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How Do Car Engines Work?
Students perform an experiment which simulates what happens inside an internal combustion engine. They explain how the chemical reaction they witnessed is similar to what happens inside the car engine.
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Skateboard Disaster
Students conduct a hands-on experiment with collisions between two skateboards of different masses. They are introduced to the concept of conservation of momentum in collisions and consider how their observations might help engineers...
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Sliders - Static and Kinetic Friction
Students work in groups to conduct experiments the demonstrate the differences between static and kinetic friction. They consider how friction affects us in our everyday lives, determine the effects of weight on friction and complete a...
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Wind Energy
Young scholars explore wind energy by making a pinwheel to model a wind turbine. They experiment with their turbine by placing it in different locations for optimal energy.
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TE Lesson: I've Got Issues!
Students study environmental issues from different perspectives. They look at the issues from the view of both preservationists and conservationists as they identify themselves with one group or the other. They determine how teamwork...
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Cleaning Air with Balloons
Students examine how a pollutant recovery method functions in cleaning industrial air pollution. They listen to a teacher-led discussion, conduct an experiment with balloons, static electricity, and pepper, and observe and record the...
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Kidney Filtering
Students investigate how kidneys function. They discuss how a dialysis machine works, and conduct an experiment in which they filter different substances through a plastic window screen, various sizes of hardware cloth, and poultry...
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Two-Cell Battery
Students build their own two-cell battery and determine which electrolyte solution is best suited for making a battery. They discuss background information for their experiment, construct and test their battery, and using the chart on...
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Statistical Process Control
Students brainstorm items they have that use memory and view Statistical Process Control PowerPoint presentation. They complete Statistical Process Control Simulation/experiment then find the average, range and standard deviation in...
Texas Instruments
Data Collection for Bar Graphs
Learners study the concept of central tendency in this data collection for bar graph lesson. They collect data outside as instructed and organize it into a bar graphs, then they list in specific groups the labels that appear on the...
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Guess the Ages
Learners explore scatter plots in this algebra lesson. They create a scatter plot from their guesses regarding a famous person’s birth date and the actual birth date then they examine and interpret the results of their graph.
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Approximation of Pi
Young scholars explore the concept of Pi. In this Pi instructional activity, students measure the circumference and diameter of a circle. Young scholars record the diameter and circumference measurements from their...
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NUMB3RS Activity: Settling The Score
Learn how to investigate matrix multiplication. In this secondary mathematics lesson plan, students examine matrix multiplication in the context of a Homes-Rahe stress test which is similar to the process used to score figure...
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Standard Form of Equations
Learners complete the square and identify different parts of a quadratic equation. For this algebra lesson, pupils graph conics using the TI calculator. They rewrite equations by completing the square.