Lesson Plan
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Curated OER

Areas of Geometric Shapes with the Same Perimeter

For Teachers 7th - 9th Standards
A triangle, square, hexagon, and circle all have a perimeter of one unit. Eighth graders must attempt to find the area of each and arrange them in order from least to greatest areas. A terrific task for applying four different...
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...
Worksheet
Curated OER

Area of a Square

For Students 6th
In this geometry worksheet, 6th graders find the area of four squares with given measurements. Students use metric units to calculate the area of each given square.
Worksheet
Curated OER

Calculate the Area of Shaded Squares

For Students 2nd - 3rd
How can you find the area of a shape? Two shapes are provided on this simple worksheet which asks learners to find the area of the shapes. It's not as hard as it looks! You just have to count the squares! Before telling your pupils this...
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 lesson 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 and use Green's...
Assessment11:36
Mathed Up!

Area of Compound Shapes

For Students 7th - 10th Standards
Scholars learn how to determine the area of compound shapes by finding the areas of the basic shapes that make it up. Pupils find the areas by adding areas together or subtracting them.
Interactive
Curated OER

Area of a Trapezoid

For Students 9th - 12th
In this online math learning exercise, students practice finding the area of a trapezoid, given the height and length, This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Worksheet
Curated OER

Simple Area of a Rectangle

For Students 3rd - 4th
Given the measurements of three rectangular rooms, scholars determine the area of each. They are given units, so remind them to use square units in their answers. No side measurements exceed 20. Can your scholars measure the classroom...
Worksheet
Math Mammoth

Finding the Area of Rectangles, Parallelograms, and Triangles

For Students 9th
In this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems.  The formulas for finding the area of these figures are provided.
Lesson Plan
EngageNY

What Is Area?

For Teachers 9th - 10th Standards
What if I can no longer justify area by counting squares? Lead a class discussion to find the area of a rectangular region with irrational side lengths. The class continues on with the idea of lower approximations and...
Worksheet
Common Core Sheets

Determining Rectilinear Area

For Students 3rd Standards
Third graders find the area of rectilinear shapes by partitioning them into two non-overlapping rectangles and adding the areas of the non-overlapping parts together. It allows learners to recognize area as an additive.
Lesson Plan
Illustrative Mathematics

Finding Areas of Polygons, Variation 1

For Teachers 5th - 9th Standards
An exercise in finding the area of polygons by decomposing into triangles and composing into rectangles is the focus of this resource. Make several copies of the worksheet for each participant. Ask learners to use colored pencils to...
Worksheet
Curated OER

Simple Area of a Rectangle

For Students 3rd - 4th
These rectangles have everything scholars need to find the area, but none of them has units. Beginners to this skill multiply the length and width, all of which are whole numbers, to calculate and record the area for each. Consider...
Worksheet
Curated OER

Surface Area and Volume of Cubes

For Students 10th
In this surface area and volume learning exercise, 10th graders identify and complete 3 different problems that include determining the surface area and volume of cubes. First, they use their ruler to find the width and height of each...
Worksheet
Math Worksheets Land

The Area of Rectangles - Guided Lesson

For Students 2nd - 3rd Standards
Geometry novices will enjoy this approach to finding area, as they aren't required to include units or a formula. The main objective here is to segment a rectangle into columns and rows to create squares, which then are used to find the...
Activity
Curated OER

Inscribing a Square in a Circle

For Teachers 9th - 11th Standards
Inscribing a square in a circle brings up a number of interesting geometry topics including triangle congruence and how to prove a quadrilateral is a square. This activity is followed up by finding the area of the square and determining...
Worksheet
Curated OER

Finding the Area of a Rectangle

For Students 7th - 8th
In this middle school geometry worksheet, students determine the area of a rectangle.  The worksheet provides an explanations and example.  The one page worksheet contains three problems.  Solutions are provided. 
Interactive
Curated OER

Coordinate Plane Worksheets - Area of Rectangle

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

Area of Triangle - Problem Solving 16.4

For Students 5th - 6th
In this area of triangles worksheet, students find the area of each triangle in the word problems. Students complete five problems.
Worksheet
Curated OER

Area of Right-Angled Triangles

For Teachers 3rd - 5th Standards
There's a trick to solving the area of a triangle, and it involves a skill your geometers have already mastered. Help them discover the connection between finding a rectangle's area and finding a right triangle's area as they solve for...
Worksheet
Curated OER

Area of Circle Worksheet

For Students 6th - 10th
Given the diameter of a circle, learners are charged with finding its area. They halve the diameter, square it, and multiply by pi. Five problems provide basic practice. 
Lesson Plan
Government of Hong Kong

Areas and Volumes - 2D Shapes

For Teachers 3rd - 6th Standards
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to...
Worksheet
Curated OER

Finding The Area

For Students 9th - 11th
For this geometry worksheet, students calculate the area of a given shape. They use the formulas for squares and circles to help them find the area. There are 2 questions with an answer key.
Worksheet
Common Core Sheets

Finding Area

For Students 3rd Standards
Practice makes proficient! Here, 10 versions make up an area worksheet in which mathematicians find the area rectangles and squares in centimeters.