Worksheet
Curated OER

Similar Triangles and Trapezoids, and Circles

For Students 9th - 12th
High schoolers answer two problems involving area of shaded regions. Learners then answers six questions involving perimeter, area, and circumferences. The remaining two questions involve ratios of similar figures.
Workbook
Utah Education Network (UEN)

Geometry

For Students 6th Standards
Shape one's understanding of geometry using the resource. The sixth of seven chapters in 6th Grade Math focuses on geometry principles. Future mathematicians learn to find the area of parallelograms, trapezoids, triangles, and other...
Lesson Plan
EngageNY

Composite Area Problems

For Teachers 7th Standards
The 21st segment in a 28-part series provides learners with area problems involving composite figures. To find the solution, pupils must decide whether to add or subtract areas. The composite figures are composed of quadrilaterals,...
Worksheet
Curated OER

Area of a Trapezoid

For Students 7th - 8th
For 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.
Lesson Plan
Curated OER

Finding the Area of a Triangle

For Teachers 5th
Fifth graders investigate the area of a triangle. In this geometry lesson, 5th graders practice finding the area of a triangle using the correct formula: 1/2bh.
Assessment
Concord Consortium

Painted Stage

For Students 11th - 12th Standards
Find the area as it slides. Pupils derive an equation to find the painted area of a section of a trapezoidal-shaped stage The section depends upon the sliding distance the edge of the painted section is from a vertex of the trapezoid....
Lesson Plan
Curated OER

Finding Areas of Polygons and Circles

For Teachers 6th - 8th
In this math worksheet, students find the areas for the shapes. They apply the appropriate formula for each shape that is drawn and in the word problems.
Lesson Plan
Curated OER

Area of Polygons

For Teachers 9th - 11th
Students engage in a lesson that is about the concept of polygons and focuses upon finding the area. They use formulas provided in the lesson in order to solve problems given by the teacher for independent practice. Geometric figures are...
Performance
Radford University

Escape from the Zombie Apocalypse - Exploring Quadrilaterals through Google Maps and Google Earth

For Teachers 9th - 12th Standards
Prepare for the zombie apocalypse ... by studying quadrilaterals? Given a map of an imaginary town, scholars identify quadrilaterals created by streets. They then use Google Earth and Google Maps to find parallelograms, rectangles,...
Worksheet
Curated OER

Area of Trapezoids (5)

For Students 5th - 6th
In 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.
Lesson Plan
Curated OER

Does the Area of the Quadrilateral Change?

For Teachers 7th
Seventh graders complete activities to further their understanding of area formulas. In this area lesson, 7th graders watch as the teacher uses Polystrips to model parallelograms. Students find the area of a rectangle and answer...
Worksheet
Curated OER

Polygon Area Review Sheet

For Students 9th - 12th
In this polygon area worksheet, learners answer 8 questions involving the area of several polygons. Students are given various details of the polygon and must find lengths of various polygons.
Lesson Plan
Willow Tree

Perimeter of Common Geometric Figures

For Students 8th - 11th Standards
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Worksheet
Curated OER

Find the Area

For Students 10th
In this find the area worksheet, 10th graders solve and complete 18 different types of problems. First, they find the area of a figure with consecutive sides. Then, students find the area and perimeter of a square shown. They also find...
Worksheet
Curated OER

Area of Quadrilaterals

For Students 10th
In this area of quadrilaterals worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students prove that the sum of the squares of...
Worksheet
Curated OER

Area of 2D Shapes Homework

For Students 9th - 12th
In this geometry worksheet, high schoolers solve the area of 2D shapes starting with squares, rectangles, parallelograms, triangles, rhombi, trapezoids, circles, and ending with area of shaded regions. There are 20 questions.
Lesson Plan
Curated OER

Area and Perimeter

For Teachers 10th
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
Worksheet
Curated OER

Area – Parallelograms and Trapezoids

For Students 7th - 10th
In this geometry skills worksheet, students respond to 4 questions that require them to find the area of parallelograms and trapezoids.
Worksheet
Curated OER

Area of Irregular Shapes

For Students 10th
In this irregular shapes worksheet, 10th graders solve 10 different problems that include determining the area of various irregular shapes as shown in each. First, they divide each figure into familiar shapes. Then, students determine...
Lesson Plan
Curated OER

Why Do We Add The Bases To Find The Area of A Trapezoid?

For Teachers 6th - 8th
Students 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.
Assessment
Inside Mathematics

Expressions

For Teachers 9th - 12th Standards
Strive to think outside of the quadrilateral parallelogram. Worksheet includes two problems applying prior knowledge of area and perimeter to parallelograms and trapezoids. The focus is on finding and utilizing the proper formula and...
Lesson Plan
Shodor Education Foundation

InteGreat

For Teachers 9th - Higher Ed Standards
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and...
Assessment
Balanced Assessment

County Concerns

For Students 6th - 8th
Apply area concepts to help farmers and settle county disputes. Scholars use a given diagram and information about an insecticide spraying campaign to determine the monetary benefit to farmers. They then decide which of two counties has...
Interactive
Curated OER

Surface Area of Prism

For Students 10th
Tenth graders are provided instructions, including a video, on calculating the surface area of a prism. The one-page interactive worksheet contains two worked questions. Answers are included.