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Assessment
Noyce Foundation

Lawn Mowing

For Teachers 6th - 7th Standards
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...
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Activity
Exploratorium

Tired Weight

For Teachers 6th - 12th Standards
You don't need a scale to determine weight. This activity provides a way to use the concepts of air pressure and surface area to determine the weight of a vehicle by calculating the amount of weight each tire supports.
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Assessment
Noyce Foundation

Parallelogram

For Teachers 6th - 7th Standards
Parallelograms are pairs of triangles all the way around. Pupils measure to determine the area and perimeter of a parallelogram. They then find the area of the tirangles formed by drawing a diagonal of the parallelogram and compare their...
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Assessment
Bowland

Golden Rectangles

For Teachers 6th - 9th
Scholars must determine the maximum area for a rectangular plot of land enclosed with 100 meters of rope. As the work they discover patterns and numerical approaches to solve the problem.
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Worksheet
Curated OER

Calculating the Area of a Square

For Students 4th
In this geometry worksheet, 4th graders read how to find the area of a square. They apply the A=L x W formula to find the areas of 3 squares.
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Lesson Plan
Curated OER

If you have to find the area of a region, how would you calculate it?

For Teachers 5th
Fifth graders find the area of rice farms. In this area lesson, 5th graders draw shapes and grid them to find the area. They compare different rice fields to see which one takes up more space and has the larger area. 
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Lesson Plan
Curated OER

Area Explorations

For Teachers 4th - 5th
Students explore the area of rectangles. They practice finding area by playing an onliine computer activity where they calculate the area of a rectangle to solve a problem.
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Lesson Plan
Curated OER

Area Adventure

For Teachers 4th - 6th
Students calculate the area of figures using the formula: length x width = area. They solve area problems using paper squares, geoboards, and real-world problems.
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Worksheet
Curated OER

Integrated Algebra Practice: Square Roots

For Students 8th - 10th
For this square roots worksheet, students calculate the square roots of whole numbers and rational numbers. Seven problems have multiple choice answers. The remaining 13 problems are short answer. One problem involves graphing a...
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Lesson Plan
Curated OER

Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume

For Teachers 9th - Higher Ed
Students explore perimeter, volume, and area. In this math lesson, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the results when the...
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Interactive
Curated OER

Area of Circle Worksheets

For Students 10th
In this geometry worksheet, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive worksheet contains ten questions. Answers and  hints are included. 
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Worksheet
Curated OER

Perimeter and Area

For Students 4th - 5th
In this perimeter and area learning exercise, students first read a one page information text and study the examples. Students solve 7 problems in which area and perimeter are calculated.
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Interactive
Curated OER

Coordinate Planes - Area of Triangle

For Students 9th - 12th
In this online math worksheet, students find the area of a variety of triangles given the measurements of their vertices. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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Worksheet
Curated OER

Surface area of a cube

For Students 5th - 8th
In this surface area of a cube instructional activity, students answer short answer questions on how to find the surface area and calculating the equation for different problems. Students answer 7 questions.
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Lesson Plan
Curated OER

Area of Rectangles

For Teachers 7th
Seventh graders review the concept of finding the areas of a rectangle. This lesson uses the classroom as a real life application for the formula of area. They measure classroom in order to compute the area.
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Worksheet
Curated OER

Area

For Students 4th - 5th
In this finding the area activity, students solve 6 problems in which the area of a square or rectangle is calculated. The instructions and examples provides hints and formulas.
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Lesson Plan
Curated OER

Robot Area

For Teachers 9th - 11th
Students calculate the area of different polygons. In this geometry lesson, students explore polygons based in their shape and number of sides. They find the formula for the area and use each specific formula for each shape.
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Lesson Plan
Curated OER

Surface Area of Spheres

For Teachers 9th - 12th
Learners identify the properties of a sphere. In this geometry lesson, students calculate the surface area of spheres using the formula derived by nets. They identify the radius and diameter of the sphere.
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Lesson Plan
Curated OER

Geography: Lengths, Perimeter, and Area of Similar Objects

For Teachers 6th
Sixth graders explore characteristics of similar objects. Using attribute blocks, they explore the ratios of the perimeter, area and side length in similar shapes. They calculate and compare the area of shapes.
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Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area worksheet, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This twelve-page...
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Worksheet
Curated OER

Circumference and Area

For Students 6th - 8th
In this geometry worksheet, middle schoolers answer 10 questions regarding, circumference, area, time, calculating the radius if given a diameter, and polygon recognition.
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Worksheet
Curated OER

Perimeter and Area Practice

For Students 4th - 6th
In this area and perimeter practice worksheet, students examine 4 sample problems and solve 20 problems that require them to calculate perimeter and area.
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Worksheet
Curated OER

Leveled Problem Solving Surface Area of Cylinders

For Students 6th
In this surface area worksheet, 6th graders solve 6 word problems in which they find the surface area of cylinders. They use 3.14 for pi when calculating the area.
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Lesson Plan
Curated OER

Perimeter and Area

For Teachers 7th
Seventh graders develop strategies for finding the perimeter and area of large geometric figures. Through lecture and guided practice, 7th graders practice the strategy of dividing a geometric shape into smaller more manageable shapes...