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Interactive
CK-12 Foundation

Greatest Common Factor Using Lists: Tiling the Kitchen Floor

For Students 6th Standards
Use a combination of tiling a rectangle to find area and find the greatest common factor of the lengths of two sides and the area they create. Pupils increase and decrease the sides of the rectangle before answer five questions about...
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Lesson Plan
Beyond Benign

Hit the Deck: Area and Perimeter Review

For Teachers 6th - 8th
Designing a deck sure demands a lot of math. Future engineers and architects learn about the areas and perimeters of squares, rectangles, triangles, and composite figures. They apply their new knowledge to design a deck with a specified...
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Worksheet
Doing Maths

Area of Various Shapes

For Students 3rd - 6th Standards
Find the area of triangles, rectangles, and parallelograms using this metric activity.
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Worksheet
Doing Maths

Insulating the House

For Students 3rd - 6th Standards
Finding the area of a rectangle is the focus of this metric worksheet. Here, mathematicians use their knowledge of finding the area of a shape in meters to discover how much material can fit inside a shape.
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Worksheet
Curated OER

How are Area and Perimeter of Rectangles Related?

For Students 6th
In this how are area and perimeter of rectangles related worksheet, 6th graders solve the area or perimeter of a second rectangle by using the information given.
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Lesson Plan
Curated OER

Weave a Wreath

For Teachers 4th - 6th
Students employ simple measuring and weaving techniques. Then they experiment with the negative and positive space of a cutout. Students also follow directions to complete a multi-step process that results in an attractive holiday...
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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
Curated OER

Recognize Area as Additive - Matching Worksheet

For Students 4th - 6th
Wow, that's a big pencil box! Scholars measure the area of a 15-foot pencil box among other measurement word problems. For each, they evaluate the information given to figure the area, which is sometimes not the end-all answer they are...
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Lesson Plan
Curated OER

Area and Perimeter

For Teachers 3rd - 8th
Young scholars discover and apply the formula for the area and perimeter of rectangles and squares. They draw the shapes on graph paper and create tables that include their information.
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Lesson Plan
Curated OER

Building Storm Shelters

For Teachers 6th
Sixth graders explore area and perimeter. In this online interactive area and perimeter lesson, 6th graders investigate why the perimeter of rectangles can vary considerably even when the area is held constant. Students construct...
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Lesson Plan
Curated OER

Algebra/Geometry Institute: Area of Polygons

For Teachers 6th - 8th
Students find the area of polygons.  For this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons.  They identify each given figure and determine the appropriate formula needed to...
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Worksheet
Curated OER

Geometry

For Students K - 6th
In this geometry worksheet, students determine what if 6 different shapes are a circle, square, triangle or a rectangle. Students bubble in their answers.
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Lesson Plan
Curated OER

Acoustical Ceiling

For Teachers 4th - 7th
Pupils investigate acoustical ceilings.  In this acoustical ceilings lesson, students construct a blueprint for an acoustical ceiling.  Pupils use area and perimeter of rectangles to construct their blueprint.  Students determine the...
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Lesson Plan
Curated OER

Finding Volume of Similar Figures

For Teachers 5th - 8th
Upper elementary and middle schoolers examine the Volumes of Similar Figures. They investigate the relationship between corresponding sides and evaluate the volume of similar figures. Pupils record their findings on various activity...
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Worksheet
Curated OER

Sir Cumference and the First Round Table

For Students 5th - 6th
In this circumference worksheet, students solve and complete 5 different figures illustrated on the sheet. First, they cut out each shape found on the bottom. Then, students use the shapes on the left as clues to create the corresponding...
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Worksheet
Curated OER

Calculating Areas of Rectangles

For Students 5th - 10th
In this geometry worksheet, students calculate the areas of rectangles. They use the formula for area of a rectangle.
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Lesson Plan
Curated OER

How To Find the Area of a Square And Rectangle

For Teachers 4th - 6th
Students practice using the formula to calculate the area of a square or triangle. They participate in large group guided practice using simple area of squares problems then complete a series of problems calculating the area of rectangles.
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Lesson Plan
Curated OER

Introductory to Area (Squares, Rectangles, and Triangles)

For Teachers 6th - 8th
Students explore the concept of finding area. In this finding area lesson, students use knowledge of area of triangles to find area of squares and rectangles. Students find area of irregular figures by breaking the figure down into...
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Worksheet
Curated OER

Perimeter and Area of Rectangles (C)

For Students 3rd - 6th
In this perimeter and area of rectangles practice learning exercise, students use their problem solving skills to calculate the perimeter and area of 4 rectangles.
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Worksheet
Curated OER

Perimeter and Area of Rectangles (D)

For Students 3rd - 6th
In this perimeter and are of rectangles learning exercise, students use their problem solving skills to calculate the perimeter and area of 4 rectangles.
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Worksheet
Curated OER

Perimeter and Area of Rectangles (E)

For Students 3rd - 6th
In this perimeter and area of rectangles worksheet, students use their problem solving skills to calculate the perimeter and area of 4 rectangles.
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Lesson Plan
Curated OER

Linking Length, Perimeter, Area, and Volume

For Teachers 6th - 8th
Students explore measurements of rectangles. In this measurement comparison lesson, students discover the length, width, perimeter, and area of two different rectangles. Students record their measurements on a chart to make comparisons.
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Lesson Plan
Curated OER

Scaling Up a Photograph

For Teachers 4th - 7th
Students practice calculating dimensions of rectangles in a photograph activity. In this rectangle dimensions lesson plan, students complete the 'Making a Photographic Enlargement handout and watch a video about scaling up photographs....
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Worksheet
Curated OER

Calculate Perimeter Using Grid Method

For Students 5th - 6th
In this geometry skills worksheet, students solve 4 problems that require them to calculate the perimeter of squares and rectangles on grids.

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