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Interactive
Curated OER

Rectangle & Square Problems - Length, Width, Perimeter and Area

For Students 9th - 12th
In this online math worksheet, students determine the length and width of given rectangles given their area. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Lesson Plan
Curated OER

Area of Triangle using the Semi-Perimeter and Radius

For Teachers 8th - 10th
Learners investigate the properties of circles. In this geometry activity, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
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Lesson Plan
Curated OER

Perimeter

For Teachers 3rd - 7th
Students explore the concept of perimeter. In this perimeter lesson plan, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.
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Worksheet
Curated OER

Perimeter And Area

For Students 4th - 7th
In this perimeter and area worksheet, students calculate how to measure six geometric shapes for their perimeter and area. Students show each step of their work.
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Lesson Plan
Curated OER

Workplace Math Skills Assessment (Scale Drawing)

For Teachers 5th - 6th
In this math worksheet, young scholars take an assessment test of 8 problems related to the construction field of work. Students examine scale drawings and answer questions about area, perimeter and purchasing construction materials.
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Lesson Plan
Curated OER

Perplexing Perimeters

For Teachers 3rd
In the process of constructing their own "rulers" Students develop a sense of the size of a centimeter and meter. Students select the appropriate "ruler" for the tasks. Finally, 3rd graders calculate the perimeter of objects using...
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Worksheet
Curated OER

Perimeter and Area 2

For Students 4th - 6th
In this calculating perimeter activity, learners use their problem solving skills and the information provided to find the perimeter of 6 squares and rectangles.
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Lesson Plan
Curated OER

Perimeter and Area 8

For Teachers 5th - 7th
In this calculating area worksheet, students use their problem solving skills and the information provided to find the area of 6 triangles.
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Lesson Plan
Curated OER

Around We Go!

For Teachers 7th - 8th
Students make accurate measurements and calculations of measuring the area an perimeter of a section of the floor accordingly. They use appropriate measurement and calculation strategies to write a complete a clear explanation for how...
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Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2009 - Triangles and the Pythagorean Theorem

For Teachers 7th
Seventh graders find the perimeter and area of triangles.  In this finding the perimeter and area of triangles lesson, 7th graders find the perimeter and area of triangles given two sides.  Students find the missing side by using the...
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Lesson Plan
Curated OER

Peter's Second String

For Teachers 5th
Fifth graders determine the maximum area and range of areas of a rectangle with a given perimeter. They discuss a word problem involving perimeter and area as a class, investigate the word problem using a piece of string, and in small...
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Lesson Plan
Curated OER

Up For Change?

For Teachers 7th - 9th
Students explore similar objects. They participate in a series of hands-on, multimedia and online activities to examine how the edge length affects the angle measures, perimeters and areas of similar regular polygons. Students find the...
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Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this geometry worksheet, 10th graders are given real world problems dealing with are and perimeter. They solve using the formulas for area and perimeter. There are 3 problems.
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Lesson Plan
Curated OER

Living Room Redecoration

For Teachers 4th
Fourth graders use math in a living room redecoration lesson plan. In this geometry lesson plan, 4th graders get the dimensions of a living room and need to find the amount and cost of paint and flooring. They read different scenarios...
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Lesson Plan
Curated OER

Patterns and Functions

For Teachers 7th - 8th
Learners investigate properties of perimeter and area. In this middle school mathematics lesson, students explore patterns in a problem solving context. Learners model and solve problems using various representations for the data as they...
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Worksheet
Curated OER

Perimeter and Area of Rectangles (B)

For Students 4th - 5th
In this calculating perimeter and area worksheet, students find the dimensions of metric rectangles with decimals. Students solve 4 problems.
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Lesson Plan
Curated OER

Area Formulas

For Teachers 9th - 12th Standards
Teach your pupils to calculate the area of different polygons. Learners create formulas to solve their problems. They use the TI navigator to graph their shapes and observe the change in area.
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Lesson Plan
Curated OER

Finding the Area Under A Curve with Random Probability

For Teachers 11th - Higher Ed
Students explore the concept of area under a curve. In this area under a curve lesson, students find the area under a curve using the Monte Carlo method using random points and probability. Students calculate the area under the same...
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Worksheet
Curated OER

Perimeter and Area of Irregular Figures ELL 16.5

For Students 3rd - 5th
In this finding area worksheet, students solve the area of an irregular figure by reading and performing step by step operations. Students complete fourteen steps to solve and summarize finding the area.
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Worksheet
Curated OER

Predict Area and Perimeter

For Students 4th - 6th
In this area and perimeter activity, students follow detailed instructions about measurements, drawing rectangles on a dotted grid, then find the perimeter and area of each rectangle. 
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Lesson Plan
Curated OER

Same Area and Perimeter

For Teachers 9th - 12th
Students identify the shapes of different polygons. In this geometry lesson, students identify the same area and perimeter in shapes. They use the correct formula for the correct shape.
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Worksheet
Curated OER

Compound Shapes: Area and Perimeter

For Students 6th - 7th
In this area and perimeter worksheet, students find each for a set of 6 compound shapes. An answer key is included on page 2.
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Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
In this area and perimeter activity, students find each for 6 given shapes. A website reference for additional resources and an answer key are provided.
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Lesson Plan
Curated OER

Algebra/Geometry Institute: Area, Circumference, Perimeter

For Teachers 7th - 9th
Pupils solve area problems.  In this area, circumference, and perimeter lesson, students solve area and perimeter problems using standard and metric units of measure.  They identify the best customary unit of measure for a given...

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