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Instructional Video1:37
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\nCurated OER\n
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\nHow to Find the Area of a Trapezoid\n

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\n\nFor Teachers\n\n3rd - 5th\n
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\nWhat a great resource! Two learners lead viewers through the process of finding the area of a trapezoid. It's a visual approach that your class is bound to remember.\n
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Lesson Plan
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\n\"Area\n\n
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\nIllustrative Mathematics\n
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\nArea of a Trapezoid\n

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\n\nFor Teachers\n\n7th - 9th\n\nStandards\n
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\nHere is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...\n
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Instructional Video4:55
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\n\"How\n\n
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\nHow Do You Find the Area of a Trapezoid?\n

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\n\nFor Teachers\n\n6th - 12th\n
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\nTrapezoids can be tricky. Break down the process of finding the area of a trapezoid with this video! Viewers are given information about the area formula and shown exactly how to plug in information, solve, and simplify. This is a...\n
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Instructional Video4:19
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\nHow Do You Find the Area of a Trapezoid?\n

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\n\nFor Teachers\n\n7th - 9th\n
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\nTrapezoids can be tricky! Break down the process of finding the area of a trapezoid with an engaging math video. Learners explore area formula and shown exactly how to plug in information, solve, and simplify. \n
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Instructional Video4:28
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\n\"Area\n\n
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\nCurated OER\n
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\nArea of a Trapezoid\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nFind the area of a trapezoid. The instructor goes through a discussion of defining a trapezoid, the ways to identify the height and base, and then calculates the area of the trapezoid. This visual exploration should solidify this concept...\n
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Interactive
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\n\"Area\n\n
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\nCurated OER\n
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\nArea of a Trapezoid\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this online math worksheet, learners practice finding the area of a trapezoid, given the height and length, This excellent resource allows the students to check their answers, and to get \"hints\" should they run into difficulties. A...\n
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Instructional Video7:21
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\n\"Area\n\n
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\nKrista King Math\n
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\nArea of Trapezoids\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nRectangles, parallelograms, and now trapezoids — so many quadrilaterals! Building on the previous lessons in the series, the video introduces the formula for the area of a trapezoid. The instructor shows images of trapezoids and...\n
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Instructional Video6:02
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\n\"What\n\n
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\nWhat is the Formula for the Area of a Trapezoid?\n

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\n\nFor Teachers\n\n6th - 10th\n
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\nMake a parallelogram out of two trapezoids to find the area of one trapezoid? Sounds pretty complicated. Well, it's not complicated but there are a lot of steps. The instructor does a pretty good job of diagramming and explaining just...\n
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Worksheet
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\n\"Area\n\n
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\nArea of a Trapezoid\n

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\n\nFor Students\n\n7th - 8th\n
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\nIn this trapezoid worksheet, students examine given data and compute the area of trapezoids.  They identify the base and height of each figure.  This one-page worksheet contains 18 problems.  Answers are provided.\n
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Instructional Video8:51
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\n\"Areas\n\n
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\nAnywhere Math\n
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\nAreas of Trapezoids\n

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\n\nFor Students\n\n6th - 9th\n\nStandards\n
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\nDon't get tripped up by trapezoids. An enlightening video first shows how to derive the formula for the area of a trapezoid by partitioning the figure and rearranging it into a triangle. It then works through two examples of finding the...\n
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Instructional Video4:23
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\n\"Area\n\n
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\nCK-12 Foundation\n
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\nArea and Perimeter of Trapezoids: Lesson\n

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\n\nFor Students\n\n6th - 11th\n\nStandards\n
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\nWith a little averaging, a trapezoid becomes a parallelogram. The section of an extensive geometry playlist shows how to derive the formula for the area of a trapezoid by changing it into a parallelogram. Using the formula, the video...\n
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Lesson Plan
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\n\"Distance\n\n
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\nIllustrative Mathematics\n
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\nDistance across the channel\n

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\n\nFor Teachers\n\n7th - 9th\n\nStandards\n
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\nHere you will find a model of a linear relationship between two quantities, the water depth of a channel and the distance across the channel at water level. The cross section of the channel is the shape of an isosceles trapezoid. The...\n
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Instructional Video6:54
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\nCurated OER\n
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\nHow Do You Find the Height of a Trapezoid if You Know the Area and Bases?\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nFind the height of a trapezoid given the values of the two bases and the area. First write out the formula for the area of a trapezoid. Then identify all the variables and match up the given values. Now plug the values into the formula....\n
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Lesson Plan
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\n\"Why\n\n
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\nCurated OER\n
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\nWhy Do We Add The Bases To Find The Area of A Trapezoid?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nLearners are given patterns of trapezoids and are to calculate the area of one trapezoid by using both patterns. They should form a parallelogram and calculate the area. They practice this technique until there is understanding.\n
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Lesson Plan
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\n\"Does\n\n
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\nCurated OER\n
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\nDoes Your Rectangle Have Guts?\n

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\n\nFor Teachers\n\n3rd - 4th\n
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\nDoes it? Kids find the perimeter and area of different shapes to assess whether their rectangle has guts. In addition to finding the area of a rectangle, learners work to find the area of a trapezoid. All worksheets are included. \n
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Lesson Plan
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\n\"Tricky\n\n
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\nCurated OER\n
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\nTricky Traps\n

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\n\nFor Teachers\n\n9th - 11th\n
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\nPupils create identify properties of trapezoids. In this geometry instructional activity, students calculate the area of given trapezoids and review the area formula for parallelograms. They draw a correlation between the area of a...\n
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Lesson Plan
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\n\"The\n\n
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\nCurated OER\n
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\nThe Trappings of Trapezoids\n

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\n\nFor Teachers\n\n8th - 10th\n
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\nPupils define trapezoids and their shapes. In this geometry lesson, students calculate the area of a trapezoid and a parallelogram. They use Cabri software to make investigations.\n
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Worksheet
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\n\"Areas\n\n
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\nAreas of Trapezoids\n

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\nIn this geometry worksheet, 10th graders determine the area of the given trapezoids.  The one page worksheet contains fourteen problems.  Answer key is provided. \n
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AP Test Prep28:02
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\n\"Calculus\n\n
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\nFlipped Math\n
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\nCalculus AB/BC - Approximating Areas with Riemann Sums\n

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\n\nFor Students\n\n10th - 12th\n
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\nThere are several ways to estimate the area if the curve does not create nice geometric figures. The presenter introduces the idea of using areas of rectangles to estimate the area under the curve. Pupils use four types of Riemann Sums,...\n
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Worksheet
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\n\"Area\n\n
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\nArea of Trapezoids (5)\n

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\n\nFor Students\n\n5th - 6th\n
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\nIn this geometry worksheet, students solve 6 problems in which the area of a trapezoid is calculated. There are no examples and no formula is provided.\n
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Worksheet
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\n\"Trigonometric\n\n
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\nCurated OER\n
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\nTrigonometric Word Problems\n

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\nIn this trigonometric word problems worksheet, 10th graders solve 16 different problems that include various trigonometric situations. First, they determine at what angle a ladder makes with the ground. Then, students determine the...\n
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Interactive
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\n\"Trapezoid\n\n
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\nTrapezoid Problems - base1, base2, height and area\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this online math worksheet, students must find the missing measurement in a variety of trapezoids. This excellent resource allows the students to check their answers, and to get \"hints\" should they run into difficulties. A terrific...\n
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Lesson Plan
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\n\"Extensions,\n\n
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\nIllustrative Mathematics\n
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\nExtensions, Bisections and Dissections in a Rectangle\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nGaining practice in translating a verbal description into a diagram and then an equation is the real point of this similar triangles exercise. Once the diagram is drawn, multiple methods are provided to reach the conclusion. An effective...\n
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Instructional Video3:54
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\nHow do You Find the Area of a Triangle?\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nHelp your class visualize how to find the area of a triangle. In a step-by-step process, the instructor shows how to calculate the area of a triangle. Great for instruction and/or review.\n
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