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Lesson Plan
Illustrative Mathematics

Area of a Trapezoid

For Teachers 7th - 9th Standards
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
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Worksheet
Curated OER

Perimeter and Area of Complex Figures

For Students 4th - 6th
For this perimeter and area worksheet, students solve 6 word problems where they must determine the perimeter or area of complex figures. Diagrams are provided and real world applications like gardens and carpeting are used in the problems.
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Worksheet
Math Worksheets Land

Measure Area by Counting Units - Step-by-Step Lesson

For Teachers 3rd - 5th Standards
What is the area? Because there is only one problem here with a detailed explanation below, consider projecting this as an all-class warm up. Learners examine a rectangle split into 12 squares. They know that each unit is three...
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Lesson Plan
Curated OER

Ratios for Area and Volume

For Teachers 5th - 8th
In this ratios for area and volume worksheet, students solve problems where they find the ratios for problems of shapes dealing with area and volume. Students complete 4 problems.
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Worksheet
Curated OER

Finding the Area

For Teachers 3rd - 4th Standards
For each of these eight rectangles, scholars write out the multiplication sentence to find the area given the side measurements. They use an example for reference and must remember to include square feet in their answer. All measurements...
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Worksheet
Curated OER

Easy Worksheet: Area and Perimeter of Rectangles and Squares

For Students 9th - 12th
In this area and perimeter of rectangles and squares worksheet, students solve 6 graphing and short answer problems. Students plot four coordinates of a rectangle or square on the coordinate plane. Students find the area or perimeter of...
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Worksheet
Mrs. Glosser's Math Goodies

Perimeter & Area Worksheet 2

For Students 6th - 9th Standards
Alternate between area and perimeter with this worksheet, practicing both concepts with different shapes. Problems include examples with parallelograms, octagons, squares, rectangles, and trapezoids. The formulas are not provided, so...
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Worksheet
Mrs. Glosser's Math Goodies

Perimeter & Area Worksheet 3

For Students 6th - 9th Standards
There are many different polygons, so give your learners a worksheet that practices area and perimeter on the various shapes. This full-page worksheet includes problems with hexagons, trapezoids, squares, parallelograms, and rectangles....
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Activity
Curated OER

Finding the Area of Polygons

For Teachers 3rd Standards
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
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Lesson Plan
EngageNY

Perimeter and Area of Polygonal Regions in the Cartesian Plane

For Students 9th - 12th Standards
How many sides does that polygon have? Building directly from instructional activity number eight in this series, learners now find the area and perimeter of any polygon on the coordinate plane. They decompose the polygons into triangles...
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Instructional Video16:10
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Flipped Math

Parallelograms and Triangles

For Students 9th - 12th Standards
Expand area problems to incorporate prior knowledge. Pupils begin by reviewing the formulas for finding the area of parallelograms and triangles. The scholars apply previous learning of trigonometric ratios and the Pythagorean Theorem to...
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Worksheet
Common Core Sheets

Finding Side Length (Given Perimeter)

For Students 3rd Standards
Perimeter is the total distance around an object. One can find the perimeter of a rectangle or square by adding all four side lengths together. These worksheets require third graders to find the missing side length, given the perimeter...
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Worksheet
Curated OER

Calculating Areas of Rectangles

For Students 5th - 10th
For this geometry worksheet, students calculate the areas of rectangles. They use the formula for area of a rectangle.
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Worksheet
Math Mammoth

Area of Rectangles

For Students 4th
In this geometry worksheet, 4th graders identify how many square units is the area of each of the shaded shapes. Then they find the areas of the rectangles when the sides are given. Students also draw the figure described for each.
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Lesson Plan
Illustrative Mathematics

Same Base and Height, Variation 2

For Teachers 5th - 7th Standards
This is a good model for learners to visualize triangles of the same base and height. They can can begin to comprehend that these triangles will have the same area no matter how the triangle is drawn. It is part of a series of resources...
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Lesson Plan
Willow Tree

Surface Area of Three-Dimensional Figures

For Students 8th - 11th Standards
Lateral area and surface area are simple concepts, but calculating them is not as easy! Using formulas, learners calculate lateral area and surface area for the same three-dimensional figures. The resource discusses the formula variables...
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Lesson Plan
Virginia Department of Education

Surface Area of a Rectangular Prism

For Teachers 7th Standards
Wrap up a lesson on surface area with a resource that asks scholars to use the idea of wrapping paper to investigate surface area. They draw representations of rectangular prisms on graph paper to find the areas of the respective...
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Worksheet
Curated OER

Fraction Multiplication and Area

For Students 4th - 6th
In this finding the area in fractions learning exercise, students read information about area and the formula, view examples, and write multiplication sentences that match pictures. Students solve three problems.
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Lesson Plan
Curated OER

The Square Counting Shortcut

For Teachers 2nd - 4th Standards
An excellent lesson plan that encourages students to discover how complex figures can be broken into simpler shapes when measuring area. Working with block letters, learners are given the freedom to develop their own strategies for...
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Worksheet
Curated OER

Area of Rectangles

For Students 7th - 8th
In this rectangle worksheet, students find the areas of rectangles and draw squares to a given size, Examples and explanations are provided prior to the exercises. There are eight problems provided on this two-page worksheet.
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Worksheet
Curated OER

Finding Area and Perimeter of Rectangles and Squares Given Vertices

For Students 8th - 10th
In this area and perimeter activity, students find area and perimeter of rectangle and squares given the coordinates of the vertices.  Grids are provided for these six problems.
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Worksheet
Curated OER

Perimeter and Area of Rectangles (D)

For Students 3rd - 6th
In this perimeter and are of rectangles worksheet, students use their problem solving skills to calculate the perimeter and area of 4 rectangles.
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Assessment
Bowland

Fruit Pies

For Teachers 6th - 9th
Scholars use formulas for the area of a circle and the area of a rectangle to determine the number of pies a baker can make from a particular area of dough. They must also take into account rolling the remaining dough into a new sheet.
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Lesson Plan
Curated OER

Area of Polygons #2

For Teachers 7th - 9th
In this area of polygons worksheet, students find the area of rectangles.  They find the width when given the area.  Students graph rectangles and solve word problems involving rectangles.  This three-page worksheet contains 13...