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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

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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Worksheet
Curated OER

Predict Area and Perimeter

For Students 4th - 6th
In this area and perimeter worksheet, learners 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

Exploring Areas of Irregular Polygons

For Teachers 9th - 12th Standards
Students solve for the area of different polygons. In this geometry lesson, students identify and differentiate between regular and irregular polygons. They use properties of irregular polygons to solve problems.
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Worksheet
Curated OER

Areas of Irregular Figures

For Students 4th - 5th
In this calculation of area worksheet, 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

Math Club Worksheet #2e

For Students 3rd - 5th
In this geometry instructional activity, students practice solving 1 warm up equation involving the missing side of a rectangle. Students find the area of a given rectangle.
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Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
In this area and perimeter worksheet, 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
For 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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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
1
1
Cord Online

Pyramids and Cones

For Teachers 8th - 11th Standards
Young mathematicians find the surface area and volume of a square pyramid and a cone. In what looks like a typical activity out of a textbook, you'll find an activity where learners find an unknown measurement of a pyramid or cone,...
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Lesson Plan
Shodor Education Foundation

InteGreat

For Teachers 9th - Higher Ed Standards
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and midpoint...
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Worksheet
Curated OER

Multiplying Binomials

For Students 9th
In this multiplying binomials worksheet, 9th graders solve and complete 23 different types of problems. First, they use the Distributive Property to find each product. Then, students use the FOIL method to find each product. They also...
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Interactive
Curated OER

TAKS Math Quiz-Finding Area

For Students 4th - 6th
In this TAKS math quiz worksheet, students take an online quiz focused on finding area of shapes. Quiz can be graded online by clicking a link.
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Lesson Plan
Illustrative Mathematics

Converting Square Units

For Teachers 5th - 7th Standards
Jada has a rectangle board that is measured in inches. Young learners confirm their understanding of converting inches to feet. Then they find the area in square feet. Jada thinks she has a short-cut to convert inches square to square...
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Lesson Plan
Curated OER

Expected Outcome (Probability)

For Teachers 3rd - 5th
Students practice and determine expected values of experiments as well as distributions of experiments. They find the area of rectangles and circles and determine elementary probabilities. Probability exercises begin with quarters and...
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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 instructional activity, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales...
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Lesson Plan
Curated OER

Area of Quadrilaterals

For Teachers 5th - 6th
In this math worksheet, students read an informative chart about how to find the area of quadrilaterals. Students then answer 6 questions in which the area of quadrilaterals is calculated.
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Worksheet
Curated OER

Area and Perimeter

For Students 4th - 5th
For this area and perimeter worksheet, students complete a set of 6 problems, finding area of rectangles and area and perimeter of squares. 
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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 worksheet, learners 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...
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Lesson Plan
Curated OER

Quadrilateral Attributes

For Teachers 7th - 8th
Students classify quadrilaterals. In this quadrilateral lesson, students identify the characteristics of quadrilaterals. They write their findings in a journal. Students use geoboards to create quadrilaterals from given descriptions.
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Lesson Plan
Curated OER

Area

For Teachers 9th - 10th
Students solve problems involving area. In this geometry lesson, students calculate the area of an object and relate it to the area of the ocean. They define what exactly and area is and then solve problems relating to the real world.