Worksheet
Curated OER

Calculating Perimeter

For Students 4th - 6th
In this calculating perimeter worksheet, students examine 8 rectangles and use the information provided to find the perimeter of each of them.
Worksheet
Curated OER

Calculating Perimeter 3

For Students 5th - 7th
In this calculating perimeter learning exercise, students examine 8 rectangles and use the information provided to find the perimeter of each of them.
Worksheet
Curated OER

Perimeter, Area and Volume

For Students 7th - 8th
For this perimeter worksheet, students find the perimeter, area, and volume of given rectangles.  This one-page worksheet contains examples and two problems. 
Assessment
1
1
California Education Partners

Fun on the Farm

For Students 3rd Standards
Let imaginations run wild as participants design animal pens. A performance task challenges young mathematicians to determine the perimeter or a missing side length of different animal pens. They then design pens that meet given...
Interactive
National Council of Teachers of Mathematics

Scale Factor

For Students 6th - 12th Standards
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.
Lesson Plan
National Security Agency

Awesome Area - Geometry and Measurement

For Teachers 2nd - 4th Standards
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson plan series supports children with learning how to measure the area of squares, rectangles, and...
Assessment
1
1
Balanced Assessment

Frosting on the Cake

For Students 9th - 12th Standards
Party planners need algebra too! Here, pupils decide the perfect size of a cake based on available ingredients. They use the concepts of area and perimeter to make their conclusions.
Worksheet
Curated OER

Perimeter of Rectangles 2

For Students 1st - 5th
In this measurement worksheet, learners study the different rectangles and then find the perimeter for each rectangle pictured on the worksheet.
Worksheet
Curated OER

Investigate Perimeter

For Students 5th - 6th
In this perimeter activity, students are given perimeter and draw 3 different squares or rectangles on given grids, using those given measurements, then complete 2 related questions.
Worksheet
Curated OER

Areas and Perimeters

For Students 7th - 9th
In this area and perimeters learning exercise, students compute the area and perimeter of rectangles and squares. This two-page learning exercise contains approximately 30 mental problems. Answers are provided beside each question.
Worksheet
Curated OER

Area and Perimeter

For Students 7th - 8th
In this area and perimeter worksheet, students solve and complete 4 various types of problems. First, they find the perimeter and area of each shape illustrated. Then, students draw a shape made of rectangles that has a given area.
Worksheet
Curated OER

Perimeter: Practice

For Students 4th - 5th
In this perimeter worksheet, students find the perimeter or the missing length for each rectangle. Students then complete the chart by writing the formula and finding the perimeter. Students finish with two test prep questions.
Lesson Plan
Curated OER

Area of Triangle using the Semi-Perimeter and Radius

For Teachers 8th - 10th
Students investigate the properties of circles. For this geometry lesson, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
Lesson Plan
Curated OER

Area of Rectangles and Triangles

For Teachers 8th
Eighth graders practice calculating the perimeter of different shapes. As a class, they work together to calculate the area of rectangles and triangles using the proper formula. To end the activity, they determine how many feet are in...
Lesson Plan
Curated OER

Perimeter and Circumference

For Teachers 5th - 8th
Students consider perimeter and circumference. In this instructional activity on perimeter, students will determine relationships between perimeter and circumference using real life examples.
Worksheet
Curated OER

Perimeter and Area of Rectangles (C)

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

Perimeter and Area

For Students 4th - 5th
In this perimeter and area worksheet, students first read a one page information text and study the examples. Students solve 7 problems in which area and perimeter are calculated.
Lesson Plan
Curated OER

Geography: Lengths, Perimeter, and Area of Similar Objects

For Teachers 6th
Sixth graders explore characteristics of similar objects. Using attribute blocks, they explore the ratios of the perimeter, area and side length in similar shapes. They calculate and compare the area of shapes.
Worksheet
Curated OER

Finding the Area of a Rectangle

For Students 7th - 8th
In this middle school geometry instructional activity, students determine the area of a rectangle.  The instructional activity provides an explanations and example.  The one page instructional activity contains three...
Lesson Plan
Curated OER

Area, Perimeter, Circumference

For Teachers 6th
Sixth graders use different measuring tools to measure area, perimeter, and circumference of different shapes. For this measurement lesson plan, 6th graders measure parallelograms, triangles, and circles.
Lesson Plan
Curated OER

Area and Perimeter

For Teachers 3rd - 5th
Learners explore area and perimeter. In this math lesson plan, students differentiate between area and perimeter and compute the area and perimeter of an object.
Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Learners define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.

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