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Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no creative...
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Worksheet
Curated OER

Perimeter and Area

For Students 4th - 5th
In this math worksheet, students look for the perimeter and area of the regular and irregular shapes. The answers are on page 2.
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Lesson Plan
Curated OER

Discovering the Area and Perimeter of Triangles

For Teachers 8th
Eighth graders identify how to find the area and perimeter of rectangles and triangles. They discuss their understanding of area and perimeter and how the two concepts are applied in the real world. Finally, 8th graders determine the...
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Lesson Plan
Curated OER

Minimize Perimeter

For Teachers 6th - 8th
Students practice calculating the perimeter of different sized rectangles. Individually, they identify the derivations of a function that can show the perimeter and determine how to minimize the perimeter within a fixed area. They use...
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Lesson Plan
Curated OER

Minimize Perimeter -- Lecture

For Teachers 6th - 8th
Middle schoolers are introduced to the concept of perimeter. As a class, they listen to a lecture describing the derivations of a function that describes perimeter. They calculate the minimum perimeter of a rectangle and determine the...
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Lesson Plan
Curated OER

EUREKA! Living Room Redecoration

For Teachers 10th
Tenth graders calculate area and perimeter based on the dimensions of a living room. They use these calculations to respond to questions about supplies needed for painting and carpeting the room. Students use math to solve problems and...
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Lesson Plan
Curated OER

Comparing Sizes And Shapes

For Teachers K - 1st
Young scholars compare, resize, and check various shapes by size using a comparison mat from the MathKeys program. Working in pairs, they place three similar shapes on the screen and state which is the largest and smallest in area. They...
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Lesson Plan
Curated OER

Area And Perimeter

For Teachers 4th
Fourth graders investigate the concepts of area and perimeter, and they practice finding the values in various types of situations. They construct different representations of shapes using the area measurements and also explain the...
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Lesson Plan
Curated OER

Area And Perimeter

For Teachers 5th
Fifth graders practice the skills of finding the perimeter and area of different objects. They integrate technology tools by using a computer software program during the class as the second half of an assessment of measuring student...
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Lesson Plan
Curated OER

Fashion Day

For Teachers 8th
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
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Lesson Plan
Curated OER

Geometry - Measurement

For Teachers 6th - 8th
Students review the procedure for determining appropriate types of measurements for given situations and measurement conversions. They figure perimeter, area, and volume of 2 and 3 dimensional objects.
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Lesson Plan
Curated OER

PD-ROM 2.2: Our Quad Needs Sod (Ms. Ana England)

For Teachers 6th - 9th
Students use formulas for common geometric shapes in order to solve a real-life, multi-step problem. They calculate material cost based on price/sq. unit.
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Lesson Plan
Curated OER

Measuring with Mathematics

For Teachers 8th
Eighth graders discover how the change in the dimensions of a shape cause a change in the overall area of the shape, but the perimeter stay the same. They, in groups, go out to the playground and construct large areas using stakes and rope.
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Lesson Plan
Curated OER

Perimeter

For Teachers All
Students calculate the perimeter of a random shape on a grid.
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Website
PBS

Pbs Learning Media: Skate Off: Final Round, Inez vs. Rimm

For Students 6th - 8th
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes Measuring Around

For Students 5th - 7th
Learners complete an online quiz that tests them on circumference and perimeter. Hints and solutions are included.
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Activity
TeachEngineering

Teach Engineering: Robotic Perimeter

For Teachers 3rd - 5th
Students learn and practice how to find the perimeter of a polygonal shape. Using a ruler, they measure model rooms made of construction paper walls. They learn about other tools, such as a robot, that can help them take measurements....
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Unknown Type
That Quiz

That Quiz: Practice Test: Geometry

For Students 9th - 10th Standards
This resource allows users to test their geometry knowledge.
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Lesson Plan
Discovery Education

Discovery Education: Architects in Action

For Teachers 6th - 8th
Through this lesson, students will learn how to use ratios to create a scale drawing of their classroom's floor plan. It provides adaptations, discussion questions, assessment rubric, and suggested readings to help develop students'...
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Activity
Texas Instruments

Texas Instruments: Minimum and Maximum Perimeter

For Teachers 6th - 8th
The students can use varying numbers of tiles to form shapes, and then find the minimum and maximum perimeter for each.
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Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Scale Factor

For Students 3rd - 8th Standards
The interactive applet allows learners to explore the relationships between side length, area, and perimeter. Students see how changes in the scale factor influence the ratio of areas and perimeters. [Requires Java.]
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Unknown Dimensions Using Formulas Grade 7

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Given a perimeter or area of a figure, use formulas to solve for the unknown or missing dimensions.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
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Interactive
Shodor Education Foundation

Shodor Interactivate: Shape Builder

For Students 9th - 10th Standards
This activity operates in one of two modes: auto draw and create shape mode, allowing you to explore relationships between area and perimeter.