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\n\"The\n\n
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\nCurated OER\n
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\nThe Shadow Knows: Student Worksheet\n

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\n\nFor Teachers\n\n4th - 6th\n
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\nIn this math worksheet, students will work in small groups to measure the height of objects, such as trees, using their shadows. Students will be able to determine heights of objects that cannot be directly measured.\n
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\n\"Whatcha\n\n
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\nCurated OER\n
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\nWhatcha Gunna Do When the Hulkster's Measuring Too??\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nStudents measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.\n
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Lesson Plan
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\n\"TE\n\n
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\nCurated OER\n
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\nTE Activity: Bubbling Plants\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nLearners study a way to quantify the process of photosynthesis during a given time using the Elodea plant. They design a hypothesis that they test in the hands on activity. They compare the amounts of photosynthesis that occur during low...\n
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Interactive
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\n\"Extra\n\n
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\nMcGraw Hill\n
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\nExtra Solar Planets Interactive\n

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\n\nFor Students\n\n9th - Higher Ed\n
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\nStudying what you can't see can be challenging. Discover how scientists use indirect measurements to prove the existence of planets and estimate their sizes. The introduction explains the symbiotic movement of planets and stars during an...\n
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Interactive
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\n\"Binary\n\n
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\nMcGraw Hill\n
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\nBinary Stars Interactive\n

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\n\nFor Students\n\n9th - Higher Ed\n
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\nA celestial body's distance from Earth makes studying its characteristics much more difficult. Learn how scientists use indirect measures to determine the size of stars. The interactive activity has individuals adjust the size of binary...\n
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Instructional Video5:39
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\n\"How\n\n
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\nSciShow\n
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\nHow Can the Universe Be Flat?\n

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\n\nFor Students\n\n9th - Higher Ed\n\nStandards\n
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\nFlat, positively curved, or negatively curved ... what is the true shape of the universe? Scientists use many indirect measurements to base their theories on the shape of the universe. Using an installment from the SciShow Space series,...\n
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\n\"Microscale\n\n
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\nNuffield Foundation \n
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\nMicroscale Investigations of Catalase Activity in Plant Extracts\n

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\n\nFor Teachers\n\n9th - Higher Ed\n
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\nUse indirect measurements to monitor metabolic activity in plant cells. Scholars understand that cells with a higher metabolic rate have a higher concentration of catalase enzyme. They use this information to compare metabolic rates of...\n
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\n\"Heating\n\n
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\nCurated OER\n
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\nHeating Up: Direct and Indirect Sunlight\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nStudents, by conducting simulations, explore the effects of direct and indirect sunlight on heating of the Earth.\n
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\n\"Pan\n\n
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\nPan Balance: Shapes\n

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\n\nFor Teachers\n\nPre-K - 2nd\n
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\nStudents explore the concept of equivalence as it relates to comparing concrete objects to determine greater or lesser attributes such as length and weight. In this pan balance-shapes lesson, students make estimations while verifying...\n
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\n\"The\n\n
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\nThe Measurement Man\n

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\n\nFor Teachers\n\n3rd - 5th\n
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\nStudents explore the measurements of capacity by constructing a creative project in the shape of a man. The man has body parts that represent different units of measurement and can be used to make conversions. This is highly concrete and...\n
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Instructional Video5:44
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\nHow Do You Find Missing Measurements of Similar Figures Using a Scale Factor?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nSimilar figures have corresponding sides and corresponding angles. With this in mind, missing values can be found by using a scale factor. Not sure how to do that? Watch this video as the instructor illustrates how to set up the known...\n
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\n\"Between-Figure\n\n
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\nEngageNY\n
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\nBetween-Figure and Within-Figure Ratios\n

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\n\nFor Teachers\n\n9th - 10th\n\nStandards\n
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\nTie the unit together and see concepts click in your young mathematicians' minds. Scholars apply the properties of similar triangles to find heights of objects. They concentrate on the proportions built with known measures and solve to...\n
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Worksheet
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\n\"Similar\n\n
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\nCurated OER\n
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\nSimilar Figures\n

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\n\nFor Students\n\n10th\n
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\nIn this geometry learning exercise students explore similar polygons and determine measure of missing sides and angles. Students use indirect measurement with similar triangles and determine the area and volume of similar...\n
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\n\"Learning\n\n
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\nCurated OER\n
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\nLearning to Measure with Ladybug\n

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\n\nFor Teachers\n\nPre-K - 1st\n
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\nYoung scholars practice measuring items with non standard units. In this units lesson plan, students measure shapes, lengths, and classroom objects.\n
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Instructional Video4:12
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\nHow Do You Find a Scale Factor in Similar Figures?\n

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\n\nFor Teachers\n\n6th - 10th\n
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\nThree angles of one triangle are equal to the corresponding angles in another triangle. Use a ratio of corresponding sides to find the scale factor. Actually, there are two scale factor values. The instructor will explain how to get both...\n
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Interactive
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\n\"Study\n\n
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\nScholastic\n
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\nStudy Jams! Area of Irregular Figures\n

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\n\nFor Students\n\n5th - 8th\n\nStandards\n
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\nPainting an irregular figure can be tricky if we don't know the exact area. This interactive presentation reveals that irregular figures can be broken into smaller, simple figures that use the area formulas. Go through two examples,...\n
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Performance
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\nRadford University\n
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\nHow Tall is the Tree?\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nPairs or small groups work together to determine the height of a tree using similar triangles. Learners make a judgement which direction to let a tree fall to avoid hitting any structures. They then write letters to the principal...\n
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\n\"Sonar\n\n
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\nAlabama Learning Exchange (ALEX)\n
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\nSonar Mapping of the Ocean Floor\n

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\n\nFor Teachers\n\n8th\n
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\nEighth graders participate in an experiment that emulates a sonar signal bouncing off the ocean floor. They determine how the ocean floor is measured by the length of time it takes for the sonar signal to return. They work with a wooden...\n
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Worksheet
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\n\"Integrating\n\n
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\nCurated OER\n
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\nIntegrating Physics-Observing and Experimenting to Find Relationships\n

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\n\nFor Students\n\n8th - 11th\n
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\nIn this experimental relationship worksheet, students read about direct and indirect relationships between variables in experiments. They answer three questions about relationships between variables.\n
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Worksheet
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\n\"Similar\n\n
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\nCurated OER\n
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\nSimilar Figure Word Problems\n

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\n\nFor Students\n\n7th - 10th\n
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\nIn this similar figure worksheet, students use similar figures and indirect measurement to determine distance.  They use proportions of similar figures to determine scale figures.  This two-page worksheet contains 8...\n
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\n\"Getting\n\n
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\nCurated OER\n
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\nGetting it Right! An Investigation of the Pythagorean Theorem\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nIn order to learn about the Pythagorean Theorem, young mathematicians investigate relations and patterns between different sides of a right triangle to look for possible relations among the squared sides. Once they have established the...\n
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\n\"We\n\n
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\nBaylor College\n
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\nWe Need Water\n

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\n\nFor Teachers\n\nK - 3rd\n
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\nThere's nothing quite like a glass of ice-cold, freshly squeezed lemonade. Lesson seven of this series explains how the water humans need to survive can come in many forms. Teach your class about how much water humans require every day...\n
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Worksheet
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\n\"Unit\n\n
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\nCurated OER\n
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\nUnit 9 Trigonometry\n

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\n\nFor Students\n\n9th - 11th\n
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\nFor this trigonometry worksheet, students find the lengths of triangles. They construct triangles and spirals. Students complete indirect measurement problems. They find the distance between objects and determine the volume of...\n
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\n\"ndirect\n\n
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\nCurated OER\n
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\nndirect Measurement Technique: Using Trigonometric Ratios\n

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\n\nFor Teachers\n\n9th\n
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\nNinth graders find the height of an object that would be difficult or impossible to measure directly. They construct and use a Clinometer to measure the angle of elevation (or depression). Students create a sketch of the measurement...\n
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