Trapezoid Teacher Resources

Find Trapezoid lesson plans and worksheets
Showing 1 - 24 of 717 resources
Lesson Planet

What is a Trapezoid? (Part 2)

For Teachers 4th - 6th Standards
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...
4:55
Lesson Planet

How Do You Find the Area of a Trapezoid?

For Teachers 6th - 12th
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...
7:21
Lesson Planet

Area of Trapezoids

For Students 9th - 12th Standards
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...
1:37
Lesson Planet

How to Find the Area of a Trapezoid

For Teachers 3rd - 5th
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.
Lesson Planet

Trapezoidal and Midpoint Approximations: Area of a Skirt

For Students 11th - Higher Ed
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...
Lesson Planet

Exit Task 6.G.1

For Students 5th - 6th Standards
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...
1 In 1 Collection 4:19
Lesson Planet

How Do You Find the Area of a Trapezoid?

For Teachers 7th - 9th
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. 
Lesson Planet

The Trapezoid

For Students 9th - 12th Standards
Enjoy this nicely organized worksheet 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.
1 In 1 Collection 4:43
Lesson Planet

Find the Area of a Trapezoid by Composing a Parallelogram

For Students 5th - 7th Standards
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)

For Teachers 3rd - 5th Standards
Challenge your class to construct a definition for trapezoids. Looking at four examples and four non-examples, students individually create definitions and use them to classify an unknown shape. Allow for small group and whole-class...
Lesson Planet

Transformations of Trapezoids

For Students 9th - 12th Standards
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.
4:22
Lesson Planet

Area and Perimeter of Trapezoids: Lesson

For Students 6th - 11th Standards
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...
Lesson Planet

Congruent Trapezoids

For Students 9th - 12th Standards
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...
Lesson Planet

Writing Task 4.OA.5

For Students 4th - 6th Standards
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...
5:20
Lesson Planet

Find the Height of a Trapezoid Given Area (Example)

For Students 7th - 11th Standards
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.
Lesson Planet

Area of a Trapezoid

For Teachers 7th - 9th Standards
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...
Lesson Planet

An Isosceles Trapezoid Problem

For Students 9th - 12th Standards
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.
Lesson Planet

Investigating Properties of Trapezoids

For Teachers 9th - 12th
Students investigate properties of trapezoids. In this properties of trapezoids lesson, students construct a trapezoid three different ways. Students derive the area formula for a triangle from the area formula for a trapezoid. Students...
5:27
Lesson Planet

What is a Trapezoid?

For Teachers 5th - 8th
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...
4:03
Lesson Planet

Trapezoids: Lesson

For Students 8th - 11th
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.
Lesson Planet

Area and Perimeter of Trapezoids (A)

For Students 5th - 10th
In this area and perimeter worksheet, students find the area and perimeter of trapezoids containing numbers with decimals. Students complete 6 problems.
6:02
Lesson Planet

What is the Formula for the Area of a Trapezoid?

For Teachers 6th - 10th
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...
4:28
Lesson Planet

Area of a Trapezoid

For Teachers 6th - 8th
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...
Lesson Planet

Natural Disaster Recovery and Quadrilaterals: Trapezoids and Land Assessments

For Students 9th - 12th Standards
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...

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