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Curated OER
Our Favorites
Students participate in and conduct a survey to determine various class favorites. They collect, organize and display their data, interpret the results, and complete a packet of worksheets to display the information.
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Saving Money Through Mathematics
Third graders discuss light sources and collect data about energy sources. They compare data and create a multiple line graph showing energy used by light sources for each student in the group. They present their graphs and write a...
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Teaching the Bell Tetrahedral Kite
Students complete readings on kite making and kite flying. They analyze how the parts of a system interconnect and influence each other. Students identifies and uses color and form in a 3D artwork.
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Pythagorean Theorem
Students investigate the properties and idea of the Pythagorean Theorem. In this algebra lesson, students identify the different parts of a right triangle and relate it to the Pythagorean Theorem. They do a robotic experiment to...
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Identifying Lines of Symmetry
Students calculate the lines of symmetry using polygons. In this geometry lesson plan, students graph, compare and estimate using collected data. They identify different attributes to the polygons based on their sides.
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How Long is a Slinky?
Students take part in a variety of measurement tasks. Students measure the length of a slinky. Students work out how many slices of tomato will fit around the edge of a pizza. Students measure the label from a can accurately.
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Light My Fire!
High schoolers draw a diagram that shows the law of reflection. In this physics lesson, students investigate the relationship between the angle of incidence and angle of reflection. They explain how light travels as it reflects on a...
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Circumscribed Polygons
Students investigate polygons and construct ferris wheels. In this geometry lesson, students create a circle and differentiate properties of circles and polygons. They compare the relationship between angles and circumscribed polygons.
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2-D Geometry
Third graders describe and compare attributes of two-dimensional shapes. They explain geometric terms, angles and shapes. Students demonstrate each vocabulary word with their body and they mirror the body positions associated with each...
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Triangles Introduction
Students explore geometry by drawing various shapes in class. In this triangle characteristics lesson plan, students identify the attributes that classify a shape as a triangle and practice using their bodies to create triangles in...
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Similar Triangles - Applied Problems
Students differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
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Polygons
In this polygon worksheet, learners draw various polygons according to given specifications and find angle sums. A website reference for additional resources is given.
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Reflection, Translation, Rotation
In this reflection, translation and rotation instructional activity, students read instructions, re-drawing a letter to the given specifications. Answers are included on page 2.
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Medieval Castles
Second graders design a scale model of a medieval castle and its surroundings including the following items: castle, moat, bailey, drawbridge, turrets, dungeon, grounds, and outer walls. A perfect lesson for those kids who are fascinated...
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Dream Bedroom Floor Plan
Students build and apply concepts of geometry. In this geometry lesson, students create a building using proportions and scale drawings. They use Cabri technology to create a virtual drawing first.
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Geometers Sketchpad Practice
Students create polygons using geometers sketchpad. In this geometry lesson, students construct the interior angles of polygons and label the different points. They estimate and measure the different parts as they draw conclusion.
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Pythagorean Theorem
Students explore how the Pythagorean Theorem works and how to apply it.
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Pythagorean Theorem
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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Dream Bedroom Floor Plan
Students construct using Cabri software. For this geometry lesson, students convert between units and apply the correct measurements to build objects. They create the room virtually and manipulate the shapes to the desired measurements.
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Triangle Review
In this triangle review worksheet, students define what type of triangle is being described, then draw a picture of it. A reference web site is given for additional activities.
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Exploring Geometric Mean
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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Similar Triangles - Geometry Exploration
Eighth graders become engaged in a lesson 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 geometric...
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Exploring the Properties of Rectangular Prisms.
Learners define properties of rectangular prisms. In this geometry lesson, students identify the relationship between two and three dimensional objects. They use Cabri technology to graph their figures.
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Investigating the Soil
Students explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Students collaborate in a pH level...