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Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 2nd - 6th
Learners explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Learners calculate the area and perimeter of random shapes and calculate the area and perimeter of a triangle...
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Worksheet
Curated OER

Area of Polygons

For Students 6th - 8th
In this math worksheet, students find the area and perimeter of the regular and irregular polygons. They pay attention to use the proper measurements for calculation.
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Interactive
Curated OER

Four Rectangle Perimeter Problems

For Students 6th - 9th
In this perimeter activity, students find the perimeter of four rectangles.  Explanations, examples, and solutions are provided.
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Lesson Plan
Curated OER

Perimeter

For Teachers 7th - 8th
For this perimeter worksheet, young scholars, with a partner, problem solve and calculate the answers to twenty word problems and mathematical calculations involving perimeters.
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Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this geometry worksheet, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons.  The one page worksheet contains seventeen...
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Worksheet
Curated OER

Area and Perimeter of Trapezoids (A)

For Students 5th - 10th
In this area and perimeter activity, students find the area and perimeter of trapezoids containing numbers with decimals. Students complete 6 problems.
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Lesson Plan
Curated OER

Perimeter and Area of a Rectangle

For Teachers 6th
Sixth graders fill out worksheets to find the perimeter and area of rectangles. In this perimeter and area lesson plan, 6th graders color in the area and measure the perimeters.
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Worksheet
Curated OER

Area and Perimeter of Rectangles

For Students 4th - 8th
For this area and perimeter worksheet, students find the area and perimeter of rectangles whose sides are three digit numbers with decimals. Students complete 6 problems.
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Lesson Plan
Curated OER

Area and Perimeter

For Teachers 3rd - 8th
Students discover and apply the formula for the area and perimeter of rectangles and squares. They draw the shapes on graph paper and create tables that include their information.
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Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Students find the area of polygons.  In this area of polygons instructional activity, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate...
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Worksheet
Curated OER

Finding Area and Perimeter of Rectangles and Squares Given Vertices

For Students 8th - 10th
In this area and perimeter instructional activity, students find area and perimeter of rectangle and squares given the coordinates of the vertices.  Grids are provided for these six problems.
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Lesson Plan
Curated OER

Area, Perimeter Word Puzzle

For Teachers 9th - 10th
Learners measure planes and solids. For this geometry lesson, students find the area and perimeter of different polygons.They complete a word puzzle to review their vocabulary words.
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Lesson Plan
Curated OER

Linking Length, Perimeter, Area, and Volume

For Teachers 6th - 8th
Students explore measurements of rectangles. In this measurement comparison lesson, students discover the length, width, perimeter, and area of two different rectangles. Students record their measurements on a chart to make comparisons.
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Lesson Plan
Curated OER

Side Length, Perimeter, and Area of a Rectangle

For Teachers 9th - 12th Standards
Students calculate area, perimeter and length of rectangles. In this geometry lesson, students create different formulas for the problem they are being asked to solve. They use the navigator to move the shape around and make observations.
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Lesson Plan
Curated OER

Area Applet

For Teachers 3rd - 6th
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
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Lesson Plan
Curated OER

Mensuration: Area

For Teachers 7th - 9th
For this area worksheet, young scholars read story problems, draw diagrams, and find the area of described polygons. This eight page worksheet contains six problems. Answers are provided.
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Lesson Plan
Curated OER

Which Chocolate Is The Biggest?

For Teachers 4th - 5th
Students investigate the concepts of area and perimeter with the use of chocolate bars. They calculate the perimeter and area of different size rectangle chocolate bars and record the statistics. Then students make a visual comparison...
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Worksheet
Curated OER

Pick's Theorem

For Students 6th - 7th
In this Pick's Theorem worksheet, students solve and graph 6 different problems that include using Pick's Theorem to solve. First, they use Pick's Theorem to determine the area of the shapes given as well as their own shapes drawn. Then,...
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
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Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this lesson. 
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Lesson Plan
Alabama Learning Exchange

Dog Gone Again!

For Teachers 3rd - 7th Standards
Here is a real-life lesson! Learners must plan the dimensions of a rectangular fence to reign in a runaway dog. They survey what shape and size fence is needed and use formulas to find perimeter and area of the fence. They explore what...
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Lesson Plan
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EngageNY

Adding and Subtracting Expressions with Radicals

For Students 9th - 10th Standards
I can multiply, so why can't I add these radicals? Mathematicians use the distributive property to explain addition of radical expressions. As they learn how to add radicals, they then apply that concept to find the perimeter of polygons. 
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Worksheet
Lane Community College

Review Sheets: Basic Mathematics 2

For Students 5th - 8th Standards
A good mix of Pre-Algebra problems, learners tackle everything from proportions and equations, to polygons and circles. The sections are broken up by topic with a list of the skills that are required to complete the questions. 
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Lesson Plan
Curated OER

Visualizing Multiplication

For Teachers 3rd - 5th
Upper graders represent multiplication of a two-digit number by a two-digit number as the area of a rectangle with dimensions of the two factors. They find patterns for the number of different base ten blocks in a rectangle representing...