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Probability and Geometry

For Teachers 4th - 5th
Students practice calculating probability, see how geometry can help solve probability problems and explore platonic solids.
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Crime Scene Documentation

For Teachers 7th - 8th
Students become forensic investigators. In this crime scene activity, students go to the science lab which is the "scene of the crime." They collect evidence such as fingerprints, "blood" evidence, chromatography, footprints, and...
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That's So Square

For Teachers 1st - 3rd
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
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Perpendicular Bisector Theorem

For Teachers 9th - 12th Standards
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
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Shortest Distance Between Points and Lines

For Teachers 10th Standards
Learners use technology to determine the shortest between two points in a plane. They are required to support their analytic explanations with visual illustrations.
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Follow the Falling Meteorite

For Teachers 6th - 8th
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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Creating Circles

For Teachers 7th - 8th
Students make a circle graph. In this graphing instructional activity, the teacher conducts a class survey, then demonstrates how to make a pie graph. When students are comfortable with the material, they use a worksheet to create their...
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Introducing Powers and Models

For Teachers 4th - 6th
Students construct two dimensional models to illustrate squared numbers. In this geometry instructional activity, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between...
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Pythagorean Theorem

For Teachers 6th - 8th
Need a few extra examples on using the Pythagorean Theorem? Here is a lesson that uses pictures of New York City’s buildings as a model, and young architects find the height of the building. Consider adding more examples to further...
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Obtuse Triangles

For Teachers 4th
Fourth graders explore obtuse triangles. In this geometry lesson, 4th graders make obtuse triangles with paper and scissors. They determine how to find the center of their triangle.
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Similar Triangles

For Teachers 9th
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
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Making Parallel Lines

For Teachers 8th - 10th
Students differentiate between parallel and perpendicular lines. In this geometry lesson, students make conjectures and apply it to solve real life situations. They collect data and make predictions based on the data.
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Making Shapes

For Teachers 10th
Tenth graders construct geometric figures using compasses and protractors.
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Pythagorean Theorem

For Teachers All
Students explore how the Pythagorean Theorem works and how to apply it.
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Pythagorean Theorem

For Teachers 9th - 12th
Students are introduced to the Pythagorean theorem. They use three different activities that give students the opportuntiy to observe triangles, and use the Pythagorean theorem and practice different ways of determining areas of...
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Light My Fire!

For Teachers 9th - 12th
Students draw a diagram that shows the law of reflection. In this physics instructional activity, students investigate the relationship between the angle of incidence and angle of reflection. They explain how light travels as it reflects...
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Similar Triangles - Geometry Exploration

For Teachers 8th
Eighth graders become engaged in a lesson plan in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles change...
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Studying Special Segments in Triangles

For Teachers 8th - 10th
Students investigate special segments in triangles. In this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
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Computer Accuracy

For Teachers 6th - 8th
Pupils work together on computers to practice measuring for navigation. They discover that errors in their calculations can lead them in the wrong direction. They examine the need of computers by engineers.
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Paper Packaging Design

For Teachers 8th - 10th
Students create packages with a maximum capacity. For this geometry lesson ,students estimate using whole numbers, decimals and fractions. They calculate length, weight and mass of packaging.
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Friction Fanatics

For Teachers 9th - 12th
Student and compare the three types of friction. In this physics instructional activity, students determine the coefficient of friction using the CEENBoT. They investigate how friction changes as the angle of the incline changes.
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Is It There?

For Teachers 4th - 6th
Students participate in a lesson designed to illustrate these concepts using simple materials. They use Science process skills to observe, measure, predict, make inferences, and communicate while completing the activity. Proper safety...
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Pythagorean Theorem

For Teachers 7th - 8th
Students explore the history of Pythagoras and his contributions to mathematics. In this middle school geometry lesson, students use one inch tiles to investigate the Pythagorean Theorem and to find the length of the sides of a right...
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Designing a Quilt Pattern

For Teachers 8th - 12th
Students create and color a one-patch quilt design based upon a regular hexagon. They examine quilts and photos of quilt designs, read a handout, and complete their quilt design on a worksheet.