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Interactive
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\n\"Shodor\n\n
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\nShodor Education Foundation\n
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\nShodor Interactivate: Comparison Estimator\n

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\n\nFor Students\n\n6th - 8th\n
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\nThis activity allows the user to compare to quantities by estimating. Students use three types of estimations: counting, length, and area. An interactive activity and teacher resources are included.\n
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\n\nGet Free Access\n\nSee Review\n
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Interactive
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\n\"Shodor\n\n
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\nShodor Education Foundation\n
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\nShodor Interactivate: Estimator\n

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\n\nFor Students\n\n5th - 7th\n
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\nThis activity allows the user to practice estimation skills. Students use three types of estimations: counting, length, and area. An interactive activity and teacher resources are included.\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Texas\n\n
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\nTexas Instruments\n
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\nTexas Instruments: Map It!\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nIn this activity, students explore map making. Students' read a story, identify the locations of different places in the story, decide the distance between each set of places in the story, and create a map with a legend.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Khan\n\n
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\nKhan Academy\n
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\nKhan Academy: Triangles: Pythagorean Theorem Ii\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nMore Pythagorean Theorem examples. Introduction to 45-45-90 triangles.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Math\n\n
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\nLoyola University Chicago\n
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\nMath Flix: Pythagorean Theorem Puzzle\n

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\n\nFor Students\n\n5th - 8th\n
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\nThis QuickTime movie uses a tangram-like puzzle to help understand the Pythagorean Theorem. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.\n
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\n\nGet Free Access\n\nSee Review\n
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Handout
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\n\"Ck\n\n
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\nCK-12 Foundation\n
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\nCk 12: Geometry: Polygon Similarity Study Guide\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\n[Free Registration/Login may be required to access all resource tools.] This study guide looks at similar polygons, scale factor (ratio), and triangle similarity.\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Pbs:\n\n
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\nPBS\n
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\nPbs: Solve the Ratio and Proportion Problem Beyond a Shadow of a Doubt\n

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\n\nFor Students\n\n6th - 8th\n
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\nIn this video, Harry finds money on the sidewalk. He uses ratio, proportion, and some knowledge about shadows to return it to the rightful owner. In the accompanying classroom activity, students investigate whether there is a consistent...\n
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\n\nGet Free Access\n\nSee Review\n
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Activity
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\n\"Teach\n\n
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\nTeachEngineering\n
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\nTeach Engineering: Yeast Cells Respire, Too (But Not Like Me and You)\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents set up a simple way to indirectly observe and quantify the amount of respiration occurring in yeast-molasses cultures. Each student adds a small amount of baking yeast to a test tube filled with diluted molasses. A second,...\n
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\n\nGet Free Access\n\nSee Review\n
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Lesson Plan
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\n\"Alex:\n\n
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\nAlabama Learning Exchange\n
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\nAlex: Sonar Mapping of the Ocean Floor\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nMapping the ocean floor must be done by indirect observation. One method involves bouncing a sonar signal off of the ocean floor and measuring the length of time this signal takes to return. This length can be translated into distance:...\n
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\n\nGet Free Access\n\nSee Review\n
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Unit Plan
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\n\"Ck\n\n
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\nCK-12 Foundation\n
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\nCk 12: Algebra: Scientific Notation\n

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\n\nFor Students\n\n7th\n
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\n[Free Registration/Login may be required to access all resource tools.] Recognize the equivalence of decimal numbers in standard form, product form and scientific notation using very small and very large numbers\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Virtual\n\n
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\nVirtual Nerd\n
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\nVirtual Nerd: What Are Corresponding Parts in Similar Figures?\n

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\n\nFor Students\n\n7th - 9th\n\nStandards\n
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\nVideo tutorial explains how to identify corresponding parts in similar figures. [6:28]\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video
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\n\"Virtual\n\n
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\nVirtual Nerd\n
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\nVirtual Nerd: How Do You Figure Out if Two Figures Are Similar?\n

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\n\nFor Students\n\n7th - 9th\n\nStandards\n
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\nFollow along with this tutorial to see an example of how to determine if two given figures are similar. [7:49]\n
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\n\nGet Free Access\n\nSee Review\n
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