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Curated OER
The Shadow Knows - Measuring Other Students
Eighth graders measure height and shadow length of other students on a sunny day and develop a ratio. They apply the ratio to other students and objects using shadows to determine height.
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Geometry Exploration Basic Trig Functions
Tenth graders solve for missing sides on a triangle using the Pythagorean Theorem. In this geometry lesson, 10th graders are introduced to basic trigonometry functions as they solve problems of right triangles. They discuss the...
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Complex Area Problems
Students calculate the area of different polygons. In this geometry lesson, students find the area of complex polygons. They solve word problems using rates and distances.
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How Does a Spring Scale Work?
Students create visuals of the effect of a spring scale. In this algebra lesson, students use the navigator to graph the effects created by a spring scale. They draw conclusion from the graph.
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Russian Dolls Investigation
Pupils measure a set of Russian dolls using the metric system. In this measurement lesson plan, students identify certain relationships between sets of measurements by measuring a set of Russian dolls and presenting their findings to...
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Are you in Golden Shape
Students solve and verify the solution for unknown measures. In this geometry lesson, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
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Space: Your Future Frontier?
Students explore careers in space and experience how math and science concepts are applied in the space program through an interactive video and cooperative group activities.
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Does Weight Affect Drag?
Middle schoolers investigate how weight affects a parachute's rate of fall. In this investigative lesson students test parachutes, average results and conclude what makes a faster descent.
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Divers's Decompression
Learners are exposed to the physics and physiology of scuba diving, study the principals applied in the U.S. Navy Decompression tables and work out typical decompression problems.
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Amazing Bean Races
Learners experiment with bean growth in varied conditions. In this plant biology lesson, students plant beans in soil and in spun cellulose (absorbent material in diapers) and measure the growth of their seedlings. They...
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Volumes of Prisms and Cylinders
Students calculate the volume of prisms and cylinders. In this geometry activity, students are give part of the formula, and must calculate the missing parts. They use 80% accuracy for their dimensions.
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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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Budget Finances
Students role play the role of a recent graduate of high school living on their own. Using play money, they are given one month's salary and they discover they own their own house or apartment and owe money on a car loan. They develop...
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Mathematical Models with Applications: The Sounds of Music
Learners use an electronic data-collection device to model the sound produced by a guitar string. They identify the graph of a periodic situation and use the graph to determine the period and frequency of sound waves.
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As the Bird Flies
Students investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have been...
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Comparing Ratios
In this comparing ratios worksheet, students solve and complete 3 different problems using the screens shown. First, they write a ratio that compares the shaded part to unshaded part illustrated. Then, students use the same grid to...
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Onion Cells
Students observe the cells of an onion by wet mounting it and viewing it in a microscope. In this hands on activity students make their own wet mount slide of an onion and are able to identify the cells in it such as, the nucleus,...
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Measurement via Triangulation
Students utilize triangulation techniques to determine altitudes of objects. An altitude locator is constructed and used to determine the height of a building or a tree. Tangent tables and formulas provide the ratio for the formula to...
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Principles of Desigh
Students review the principals of design or are introduced to them for the first time. The intention of the assignment is to reinforce the principles. There are strategies given to help diverse learners. The use of pictures is essential...
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The Grouchy Ladybug
Students learn about sorting and classifying objects by size while reading Eric Carle's "The Grouchy Ladybug". For this sorting and classifying lesson, students first listen to and interact with the story. They then look at cut-outs of...
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Time Trials
Students investigate speed, time and distance. In this algebra lesson, students utilize their knowledge of linear equations to solve problems related to time, speed and distance. This assignment is hands on using two toy race cars.
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Lines of Symmetry
Fourth graders identify lines of symmetry using reflections and then construct figures that have one or more lines of symmetry. In this symmetry lesson plan, 4th graders use sets of shapes, pattern blocks, a mirror, and more.
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Solving Problems Using Equivalent Ratios
In this equivalent ratios activity, students solve word problems when given an equivalent ratio of the answer. Students complete 7 problems.