### We found 716 reviewed resources for trapezoid

Lesson Planet

#### What is a Trapezoid? (Part 2)

This collaborative activity investigates the meaning of a trapezoid and a parallelogram. It begins by presenting two different definitions of a trapezoid. Learners are to reason abstractly the difference between the two definitions and...

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#### How Do You Find the Area of a Trapezoid?

Trapezoids 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...

Lesson Planet

#### Area of Trapezoids

Rectangles, 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 those...

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#### How to Find the Area of a Trapezoid

What 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.

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#### Trapezoidal and Midpoint Approximations: Area of a Skirt

When are trapezoids better than rectangles? Using trapezoids pupils approximate the area of fabric defined by a function. Just like with rectangles, learners realize the more trapezoids the more accurate the approximation. Scholars use...

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#### Exit Task 6.G.1

Assess young mathematicians' ability to find the area of two-dimensional shapes with this simple exit card exercise. Given a picture of a trapezoid on a grid, students must find the figure's area and provide a brief written explanation...

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#### How Do You Find the Area of a Trapezoid?

Trapezoids 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.

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#### The Trapezoid

Enjoy this nicely organized activity that puts together multiple problems regarding trapezoid proofs. The resource can be used as a guide that begins with proving properties and ends with solving for measures of line segments.

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#### Find the Area of a Trapezoid by Composing a Parallelogram

The trapezoid formula can be hard to memorize or even understand. Watch how the video visually manipulates the trapezoid to become a rectangle or parallelogram to match the formula.

Lesson Planet

#### What is a Trapezoid? (Part 1)

Challenge your class to construct a definition for trapezoids. Looking at four examples and four non-examples, young scholars individually create definitions and use them to classify an unknown shape. Allow for small group and...

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#### Transformations of Trapezoids

Transform trapezoids to a T. Pupils identify reflections and rotations that take trapezoids and map them back to themselves. They consider both isosceles and non-isosceles trapezoids.

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#### Area and Perimeter of Trapezoids: Lesson

With 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...

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#### Congruent Trapezoids

No two resources are alike, but trapezoids can be exactly the same. Individuals investigate a pair of congruent trapezoids on the coordinate plane. To prove that the trapezoids are congruent, they must use rigid motions to carry one to...

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#### Writing Task 4.OA.5

Quickly assess young mathematicians' understanding of number patterns with this exit card exercise. Using a table showing the relationship between the number of trapezoids and vertices, students must recognize the pattern in order to...

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#### Find the Height of a Trapezoid Given Area (Example)

Reach new heights in your geometry knowledge. An educational video shows viewers how to find the height of a trapezoid given the area. They watch as the narrator works through an example of such a problem.

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#### Area of a Trapezoid

Here 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...

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#### An Isosceles Trapezoid Problem

Prove the diagonals are shorter than the perimeter. Given an isosceles trapezoid, pupils develop a proof relating the length of the diagonals to the perimeter. Individuals sketch a graph of the trapezoid to assist with their explanations.

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#### Investigating Properties of Trapezoids

Students investigate properties of trapezoids. In this properties of trapezoids activity, students construct a trapezoid three different ways. Students derive the area formula for a triangle from the area formula for a trapezoid....

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#### What is a Trapezoid?

There are many types of parallelograms, each having specific properties. A trapezoid is a special type of quadrilateral in that it has one pair, and only one pair, of parallel lines. Take a look at some of the other quadrilaterals and...

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#### Trapezoids: Lesson

Using the definition of a trapezoid, the segment within a large playlist on basic geometry explains other properties of trapezoids. The video introduces the special properties held by isosceles trapezoids.

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#### Area and Perimeter of Trapezoids (A)

In this area and perimeter worksheet, students find the area and perimeter of trapezoids containing numbers with decimals. Students complete 6 problems.

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#### What is the Formula for the Area of a Trapezoid?

Make 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...

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#### Area of a Trapezoid

Find 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...

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#### Natural Disaster Recovery and Quadrilaterals: Trapezoids and Land Assessments

After a tornado, an insurance company is in need of finding the area of a plot of land. Pupils use their knowledge of trapezoids and area formulas to calculate the area of the plot of land. The scholars work in groups to justify the...