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Interactive
Curated OER

Area of a Trapezoid

For Students 9th - 12th
In this online math worksheet, students 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...
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Worksheet
Curated OER

Areas of Trapezoids

For Students 10th
In this geometry worksheet, 10th graders determine the area of the given trapezoids.  The one page worksheet contains fourteen problems.  Answer key is provided. 
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Interactive
Curated OER

Trapezoid Problems - base1, base2, height and area

For Students 9th - 12th
In 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...
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Activity
Analyze Math

Analyze Math: Trapezoid Problems

For Students 9th - 10th Standards
The geometry tutorial examines the area, length, and vertices of a trapezoid. Topics include Heron's formula. The activity has several examples with detailed solutions.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Find the Area of the Shape!

For Students 3rd - 8th Standards
Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Trapezoids

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area and perimeter of a trapezoid. Students examine guided notes, review guided practice, watch instructional videos and...
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Study Guide
Oswego City School District

Regents Exam Prep Center: Area of Polygons and Circles

For Teachers 3rd - 6th Standards
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Trapezoids

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find the area and perimeter of trapezoids. Students examine guided notes, review guided practice, watch instructional videos and...
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Website
Cool Math

Coolmath: Precalculus Basic Formulas to Know

For Students 9th - 10th Standards
This CoolMath resource provides an introduction to some Precalculus formulas.
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Activity
George Mason University

Area Formula Lab

For Teachers 4th - 8th Standards
In this set of worksheet activities, students will be guided to discover formulas for area of polygonal shapes and circles.
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Unit Plan
Free Math Help

Free Math Help: Area Formulas

For Students 9th - 10th Standards
The resource consists of area formulas and diagrams for a square, rectangle, circle, triangle, and trapezoid.
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Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Trapezoid

For Students 9th - 10th Standards
Find a quick, concise explanation of what a trapezoid is. Examples are given and clearly explained.
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Unit Plan
Mr. Martini's Classroom

Mr. Martini's Classroom: Area of Triangles, Trapezoids & Parallelograms

For Students 3rd - 8th Standards
Students solve for the area of rectangles, squares, triangles, trapezoids, and parallelograms.
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Unit Plan
Varsity Tutors

Varsity Tutors: Hotmath: Review: Area

For Students 9th - 10th Standards
Find a quick, concise explanation of area and the formulas for different shapes. An example is given to help you understand how find the area of a shape. The area formulas are listed for different types of shapes.