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Triangle Inequality Theorem

For Teachers 9th - 12th Standards
High schoolers investigate the relationship between angle measures and sides of a triangle and the relationships among the three sides of a triangle. The use of technology (Cabri, Jr.) allows learners to make and test conjectures as they...
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I Breath What? Activity-Pollution Detector Worksheet

For Teachers 7th - 9th
In this pollution worksheet, learners collect particles using a pollution detector and then observe their results under the microscope.  They calculate the average number of particles collected in three different locations. They...
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Oscillations

For Teachers 9th - Higher Ed
Students construct and compare the actions of various pendulums. In this pendulum motion lesson, students build and test different types of pendulums. They conduct experiments with the length of the swing arm and apply mathematical...
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Complex Roots Made Visible

For Students 11th
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They identify the negative roots using complex roots. There is an answer key with this problem.
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Hamilton Circuit

For Students 11th - 12th
In this algebra worksheet, students investigate a Hamilton cycle by figuring the degrees of the vertices's. There are 3 questions dealing with shapes and brute force.
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Sudoku Puzzle: Logs and Exponentials

For Students 11th - 12th
In this logarithms and exponential instructional activity, students solve 29 multiple choice problems.  Students use their answers to solve a sudoku puzzle.
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Pen Light Lab

For Teachers 9th - 12th
Students study what makes Earth warm and explore how different locations on the planetreceive different amounts of solar energy based on the intensity of the sun's rays. They calculate light intensities and compare the amounts of light...
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Geometry and Geoboard

For Teachers 6th
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the area...
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Complex Numbers

For Students 11th
In this algebra worksheet, 11th graders solve complex numbers using division. multiplication, addition and subtraction. There are 11 questions with an answer key.
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Areas and Probabilities

For Students 9th - 12th
In this area and probability worksheet, students solve 5 problems where they find the probability of an event occurring. They also use a given photograph of the moon's surface to find the area covered by craters and determine the...
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The Focus of an Ellipse

For Students 9th - 11th
In this algebra worksheet, students solve for the center of an ellipse by finding the focus. They use the focus formula when solve for conics. There are 13 problems with an answer key.
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Solving Systems vis Elimination

For Teachers 10th - 11th
Learners solve systems of equation using elimination. In this algebra lesson, students identify the type of solutions produces by systems of equations. They discuss the type of lines formed given a linear pair.
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Area Unit

For Teachers 9th - 11th
Students solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
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Gases

For Students 10th - 12th
In this gas worksheet, students convert within units of pressure and temperature, they solve problems using the various gas laws, they explain concepts as they related to the kinetic molecular theory and they discuss details of a...
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A Shredding We Will Go

For Teachers K - 2nd
Students take charge of a recycling project . For this environmental issues lesson, students manage a paper recycling project and use compost made from the recycled paper to beautify trees.
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Ap Calculus First Semester Exam

For Students 12th
In this algebra worksheet, 12th graders assess their knowledge on logs, functions and derivatives. There are 40 questions on this exam.
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Succeeding at Kite Day

For Teachers 2nd
Second graders design a successful kite for Kite Day.
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Handling Data: Representing Date - Online Version

For Teachers 4th - 7th
Here is an online lesson plan on data representation. In it, learners access websites embedded in the plan which lead them through a variety of activities around data representation and statistics. The activities are quite good, and...
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Sky Watching

For Teachers 3rd - 4th
Students trace how weather patterns generally move from west to east in the United States.
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Notes to a Mathematician

For Teachers 2nd
Second graders analyze the likelihood of simple events.
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The Effects of Meteor Impacts

For Teachers 7th - 10th
Students investigate meteor impacts on the Earth's surface by using different size balls and charting their impacts, given their diameter and mass.
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How Fast Is Your Car?

For Teachers 8th
Eighth graders discover the relationship between speed, distance, and time. They calculate speed and represent their data graphically. They, in groups, design a ramp for their matchbox car. The goal is to see who's ramp produces the...
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How Do Populations Grow?

For Teachers 9th - 12th
Students examine how populations grow and how invasive species can affect the balance of ecosystems. They simulate the growth of lily pads, analyze and record the data, and simulate the results of an invasive species on an ecosystem.
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Miami Metrozoo & Mathematics

For Teachers 12th
Twelfth graders use Algebra and Geometry to solve a real life problem at the Zoo.

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