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Worksheet
Curated OER

Counting Area

For Students 5th - 6th
In this math learning exercise, students find the area of shapes by counting the number of grid paper squares inside each shape. This is a learning exercise generator, the teacher controls the complexity of the shapes as well as the grid...
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Worksheet
Curated OER

Predict Area and Perimeter

For Students 4th - 6th
In this area and perimeter worksheet, 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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Worksheet
Curated OER

Area of Compound Shapes

For Students 5th - 6th
In this compound shapes worksheet, learners solve 40 problems in which the area and perimeter of compound shapes is calculated. There are instructions and examples on this page, which is intended to be used on-line, but can be completed...
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Lesson Plan
Curated OER

Math and Architectural Design in Relation to Rebuilding The World Trade Center

For Teachers 7th - 9th
Students discover building plans and practice reading measurements.  In this architectural design lesson plan, students investigate the areas of the specific World Trade Center locations that need to be rebuilt and determine the...
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Lesson Plan
Curated OER

"Polly"gon Pockets

For Teachers 3rd - 5th Standards
Explore polygons with your elementary learners. Divide the class in 12 to configure the polygon puzzle before them. They list the attributes of each type of polygon they see, and if there's time, they jump on the interactive website...
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Lesson Plan
Curated OER

It Takes Ten

For Teachers 2nd - 5th
Review and use standard units of measure with your math class. They move from station to station estimating and measuring length, volume, weight, and area. At each station they estimate and measure, and then compute the difference...
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Lesson Plan
Curated OER

Scale Drawing: Insulating an Attic

For Teachers 6th - Higher Ed
Have your aspiring contractors compute the length of two walls in a compound-shaped attic when given a scale drawing of it and the other dimensions. They find the area, determine the number of rolls of insulation they will need to...
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Worksheet
Curated OER

Area of Triangles

For Students 5th - 6th
In this area worksheet, students calculate the area of 4 triangles, writing answers in rectangles beneath each triangle. A reference web site is given for additional activities.
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Worksheet
Curated OER

Area of Triangles

For Students 5th - 6th
In this area of triangles activity, students calculate the area of 4 given triangles, writing the answers in rectangles beneath each. A reference web site is given for additional activities.
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Activity
Curated OER

Unit Squares and Triangles

For Teachers 9th - 11th Standards
This is an interesting geometry problem. Given the figure, find the area of a triangle that is created by the intersecting lines. The solution requires one to use what he/she knows about coordinate geometry, as well as triangle...
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Lesson Plan
Mathematics Assessment Project

Representing the Laws of Arithmetic

For Teachers 6th Standards
Sixth graders connect numerical expressions to geometric area. They first complete an assessment task requiring them to identify area models for numerical expressions. Learners then participate in an activity to match area models to...
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Worksheet
Curated OER

Area Problems

For Students 4th - 6th
For this area worksheet, students find the area of 3 given figures, then fill in missing dimensions in 3 additional figures. Answers included on page 2.
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Worksheet
Curated OER

Areas of Irregular Figures

For Students 4th - 5th
In this calculation of area activity, students solve 3 problems in which areas of irregular figures are determined. The examples show the formula and method.
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Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
In this area and perimeter instructional 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

Area of Irregular Polygons

For Teachers 10th
In this geometry worksheet, 10th graders determine the area of irregular polygons.  The one page worksheet contains three problems.  Solutions are provided.
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Worksheet
Curated OER

Area, Riemann Sums and Summation Notation

For Students Higher Ed
In this math worksheet, students solve four problems written in sigma notation. They use Riemann sums to find the areas in four problems involving rectangles. Students work in groups to compute the Riemann sum approximations for rectangles.
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Lesson Plan
Curated OER

Scale Factor- Surface Area and Volume

For Teachers 9th - 10th
Students calculate the surface area and volume of shapes. In this geometry activity, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and shapes.
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Lesson Plan
Curated OER

Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure

For Teachers 7th
Seventh graders find the area of irregular polygons. In this lesson on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
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Lesson Plan
Curated OER

Perimeter and Area

For Teachers 4th - 5th
In this math worksheet, students find the area of 6 rectangles. Although the title indicates otherwise, students are not asked to calculate perimeters. There is no instruction on the page.
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Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this area and perimeter worksheet, 10th graders solve and complete 18 various types of geometry problems. First, they find the area of a figure shown with consecutive sides perpendicular. Then, students find the area and perimeter of...
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Lesson Plan
Curated OER

Who Let the Dogs Out?

For Teachers 7th - 8th
Students examine the concepts of area and perimeter and how they relate to a rectangle. They find the largest possible area that can be enclosed by a fixed perimeter and complete a worksheet as well as create a table of all the possible...
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Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 8th - 10th
Students find the circumference and diameter of several circles and calculate the surface area of cylinders. In this surface area of a cylinder lesson plan, students use rectangles and lids to make several cylinders. They calculate the...
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Lesson Plan
Curated OER

Cylinder: Student Worksheet

For Teachers 4th - 7th
In this cylinder worksheet, students compare three different cylinders to experiment which one has the greatest volume. Students interact with rectangles as they experiment with the cylinders.
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Worksheet
Curated OER

Unit 8 Algebra: Brackets

For Students 8th - 10th
In this expansions activity, students use area to solve expansions of brackets problems. There are 4 of this type, each problem having less guidance than the previous. The second activity asks students to solve magic square puzzles using...