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Lesson Plan
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Investigating Trigonometric Ratios Through Similar Right Triangles

For Teachers 9th - 10th
Students identify similar and congruent right triangles. In this geometry lesson, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
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Lesson Plan
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Exploring Geometric Mean

For Teachers 8th - 10th
Students solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Lesson Plan
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Exploring Geometric Mean

For Teachers 8th - 10th
Student identify the solution using geometric mean. For this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Lesson Plan
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Finding the Vertex of a Quadratic Function

For Teachers 9th - 10th
Students solve quadratic equations and identify the vertex. In this algebra instructional activity, students factor quadratic equations and identify the different properties of a parabola. They graph the functions using the vertex and...
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Lesson Plan
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Investigating Pythagorean Triples

For Teachers 9th - 10th
Students investigate and solve Pythagorean triples. In this geometry lesson plan, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
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Lesson Plan
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Investigating the Pythagorean Triples

For Teachers 9th - 10th
Students investigate the Pythagorean triples. In this geometry instructional activity, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Lesson Plan
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The UPS Experiment

For Teachers 7th - 8th
Pupils calculate the speed using metric measurements. In this geometry lesson, students calculate speed, distance and velocity using metric measurements. They gain inquiry and problem solving skills in this assignment.
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Lesson Plan
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Investigating the Probability

For Teachers 4th - 6th
Learners investigate probability using coins and dice. They collect data, graph, organize and interpret data. They predict, describe, compare, compute and draw conclusions based on what they observe and record.
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Lesson Plan
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Cross That Bridge

For Teachers 6th - 8th
Students create paper bridges. In this geometry and architecture lesson, groups use legal paper and paper clips to design a bridge that will hold 100 pennies. Links to mini-lessons exploring stability of different geometric figures and...
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Lesson Plan
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Don't Flip Out Over the Metric System

For Teachers 5th - 9th
Students identify the most appropriate metric prefix to use. They describe the usefulness of a system based on tens. Students compare the metric system to the American system of measurement. They develop a metric flip book to use a...
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Lesson Plan
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Simulation and Statistics

For Teachers 7th - 10th
Students perform simulation of video games as they explore statistics. In this algebra lesson, students relate concepts of statistics and data collection to solve problems. They decide their next step based on the previous assessment of...
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Lesson Plan
Curated OER

Heron's Formula

For Teachers 9th - 10th
Students use Heron's formula to calculate the area of a triangle. In this geometry lesson, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector of a triangle.
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Lesson Plan
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Special Right Triangles

For Teachers 9th - 10th
Students identify different types of special right triangles. In this geometry lesson, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make conjectures...
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Lesson Plan
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Water Pressure Blaster

For Teachers 3rd
Third graders complete an experiment to introduce them to the concept of water pressure. In this water pressure lesson plan, 3rd graders create pressure in a water bottle and observe the force of water that is created.
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Keeping students engaged after standardized testing

For Teachers 3rd - 6th
Instructional strategies and lesson ideas to keep students excited about learning, while reviewing and preparing for the next grade level.
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Lesson Plan
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Seasons and Cloud Cover, Are They Related?

For Teachers 6th - 12th
Students use NASA satellite data to see cloud cover over Africa.  In this seasons instructional activity students access data and import it into Excel. 
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Lesson Plan
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Circle Graphs

For Teachers 6th
Sixth graders interpret, create, and display data in a circle graph. In this circle graph lesson plan, 6th graders use a compass, protractors, pizza boxes, and more to create a circle graph and analyze the data they put into it.
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Lesson Plan
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Research Question, Hypothesis and Experimental Design

For Teachers 4th - 5th
Students discuss steps of the scientific process, as well as, observe a picture of the beach that they will visit. Students create a testable hypothesis about marine debris  at the beach. In this science instructional activity, students...
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Lesson Plan
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Kites: Patang - The Indian Fighter Kite

For Teachers 5th - 8th
Students investigate the history of fighter kites and build their own.  In this aeronautics lesson, students discover how other countries utilize fighter kites and where they originated.  Students create their own fighter kites in class...
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Lesson Plan
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Balsa Wood Airplane Flight and Speed Correlation

For Teachers 9th
Ninth graders calculate the average speed of their balsa wood airplane. In this physics lesson, 9th graders build their own airplane and make necessary modifications to to make it fly straight. They interpret distance and time graph...
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Lesson Plan
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Volumes of Prisms and Cylinders

For Teachers 8th - 10th
Students calculate the volume of prisms and cylinders. For this geometry lesson, students are give part of the formula, and must calculate the missing parts. They use 80% accuracy for their dimensions.
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Lesson Plan
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Radiation Reassessed

For Teachers 5th - 12th
Students investigate the dangers of radiation by exploring recent nuclear tragedies.  In this scientific debate lesson plan, students define the idea of radiation "half life" and determine if low doses of radiation are truly damaging to...
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Lesson Plan
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Does Weight Affect Drag?

For Teachers 6th - 8th
Students investigate how weight affects a parachute's rate of fall.  In this investigative activity students test parachutes, average results and conclude what makes a faster descent.
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Lesson Plan
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Sorting Buttons

For Teachers K
Students study sorting. In this classification lesson, students sort buttons into groups based on a common characteristic and draw two pictures illustrating the different groups.