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Lesson Plan
Curated OER

Investigation-Looking at Polygons

For Teachers 8th
Eighth graders plot points and investigate polygons. They locate a point, using ordered pairs of integers on the coordinate plane. Students compare geometric measurements and computations on coordinate axes as they are applied to...
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Lesson Plan
Alabama Learning Exchange

Polygon Perimeters

For Teachers 3rd Standards
What are polygons? Learners find the perimeter of various geometric figures that the teacher has drawn in chalk on the sidewalk. A worksheet to record their measurements is provided. Get your third graders outside and exploring the world...
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Assessment
Mathematics Assessment Project

Fruit Boxes

For Students 6th Standards
Perfect for visual and hands-on learners, an engaging lesson prompts pupils to consider the different-sized boxes they can create from a piece of cardboard. They develop a model to determine the size of the box with the greatest volume. 
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Lesson Plan
Curated OER

Area and Perimeter

For Teachers 9th - 12th
Students participate in a hands-on activity that shows the independence of perimeter and area for simple irregular figures.
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Worksheet
Curated OER

Battleship Game

For Students 5th - 8th
In this math worksheet, students work play a game that uses area and perimeter as the main concept. Then students complete the question for area and perimeter.
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Lesson Plan
Curated OER

Picket Fence Around the Garden

For Teachers 3rd - 4th
Students design different shaped plots and determine the perimeter, area and shape of each. They compare the shapes that have the same area but may have different perimeters.
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Lesson Plan
Curated OER

Perimeter of Triangles and Rectangles

For Teachers 5th
Fifth graders study perimeter. In this math lesson, 5th graders use Cheerios to find the perimeter of various polygons. Students discuss how to figure the perimeter of triangles, squares and rectangles.
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Worksheet
Curated OER

SAT Grid Practice Test 11

For Students 9th - 11th
In this SAT practice test, students compute the area and perimeter of polygons.  They determine the volume of a cylinder and solve problems with exponents.  This one-page worksheet contains 10 problems.  Answers are provided.
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Lesson Plan
Curated OER

How Big Is It?

For Teachers 5th
Fifth graders look at the Garrison flag and estimate how big it is. For this measurement lesson plan, 5th graders then calculate the area and perimeter of the flag.
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Worksheet
Curated OER

Wrecked Angle

For Students 9th - 10th
For this geometry worksheet, students answer questions about triangles and trapezoids as it related to the area of a shape. They make their own polygons and calculate the area.
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Lesson Plan
Texas Instruments

The Determinant of a Matrix

For Teachers 9th - 12th Standards
Students calculate the determinant. In this algebra lesson, students find the determinant and use to calculate the area of a triangle. They calculate the area of a quadrilateral in a plane.
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Lesson Plan
Curated OER

Where Will The Couch Fit?

For Teachers 4th - 6th
Students name the area formula and describe how it works. They use area formula to calculate the surface area of various objects. They use the area formula to design a floor plan of an apartment.
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Worksheet
Curated OER

Solve Word Problems with Geometry

For Students 7th - 12th
In this geometry worksheet, students solve word problems having to do with lines, angles, shapes, area, perimeter, and more. Students complete 57 problems total.
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Lesson Plan
Curated OER

Candy Land

For Teachers 6th - 8th
In this activity students pretend that they have been hired by a candy manufacturer to design a box for a new product they are beginning to market. The manufacturer has pre-determined the volume of the candy box. It is the students' job...
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Worksheet
Curated OER

Trigonometric Ratios

For Students 10th - 12th
In this trigonometric ratios worksheet, students determine the value of trigonometric ratios.  They find the area of triangles, determine the length of one side, and compute the degrees in an angle.  This five-page worksheet contains 55...
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Lesson Plan
Curated OER

Multiplying Polynomials

For Teachers 8th - 11th
Students explore the concept of multiplying polynomials. In this multiplying polynomials lesson plan, students watch a video clip about basic math skills. Students work in groups on an exploration about why a binomial squared equals a...
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Worksheet
Curated OER

Finding the Area of a Shape

For Students 4th - 5th
In this finding the area worksheet, students solve 25 problems in which the area of straight and curved shapes is calculated. This page is intended as an online activity, but may be completed on paper.
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Lesson Plan
Curated OER

Count the Squares and Compare

For Teachers 4th
Fourth graders construct squares and rectanges in order to help them find areas and perimeters. They gain an understanding of area and perimeter through teacher modeling and then they construct squares and rectangles.
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Lesson Plan
Curated OER

Calculate It

For Teachers 4th
Fourth graders find the area and perimeters of squares and rectangles using a calculator to check their multiplication. They use the appropriate formulas to find the area and perimeter of the given geometric shapes.
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Lesson Plan
Curated OER

Digger and the Gang

For Teachers 4th - 5th
Help online friends Digger and Sprat from the BBC series to solve math problems! In a series of activities, your class will use data sets to calculate measurements, averages, means, and probabilities. The class completes worksheets and...
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Lesson Plan
Curated OER

What units and concepts do we use to measure rice?

For Teachers 5th
Fifth graders look at different ways to measure rice. In this rice measurement lesson, 5th graders see the metric and customary measurements. They discuss how rice is measured by length, area of the field, weight, volume and yield. 
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Worksheet
Curated OER

Area and Perimeter of a Square

For Students 5th - 6th
In this area and perimeter worksheet, students read the instructions and study the examples to learn how to find the area and perimeter of a square. Students solve 30 problems. This page is intended as an online activity, but may be...
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Lesson Plan
Curated OER

You Can Count on Squares!

For Teachers 4th
Fourth graders engage in and explore to develop mathematical, specifically algebraic, ideas. Although the tasks are built around measurement, they are algebraic to the extent that they require 'formulae' to be derived form the geometric...
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Lesson Plan
Curated OER

Area of Solids

For Teachers 7th - 12th
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.