Curated OER
Side Length, Perimeter, and Area of a Rectangle
Students calculate area, perimeter and length of rectangles. In this geometry lesson, students create different formulas for the problem they are being asked to solve. They use the navigator to move the shape around and make observations.
Curated OER
Geometry in Tessellations
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
Curated OER
Rectangle & Square Problems - Length, Width, Perimeter and Area
For this online math worksheet, students determine the length and width of given rectangles given their area. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Curated OER
Perimeters of Trapeziums
In this math instructional activity, students find the answers to find the perimeters of the trapezoids by using addition for all the sides.
Curated OER
Area of Rectangles and Triangles
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 lesson, they determine how many feet are in a...
Curated OER
Linking Length, Perimeter, Area, and Volume
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.
Helping with Math
Geometry: Areas of Triangles
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Curated OER
Looking at Circumference
Middle schoolers understand where the number for pi comes from. They understand and use the formula for circumference. Students measure the circles given out and the diameters of those circles and record the results on their worksheet.
Curated OER
Geometry and Shapes
High schoolers discuss and identify polygons and lines. In this geometry lesson plan, learners review liner, square and cubic units so they can incorporate it into the lesson plan on measurement and creating packing that are cost effective.
Curated OER
Perimeter
Fifth graders create math word problems. In this geometry lesson, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on finding the...
Curated OER
Perimeter and Area
Seventh graders develop strategies for finding the perimeter and area of large geometric figures. Through lecture and guided practice, 7th graders practice the strategy of dividing a geometric shape into smaller more manageable shapes...
Curated OER
Perimeter
Students examine the concept of perimeter. Students calculate the perimeter of a random shape on a grid. Students develop a better understanding of the concept of perimeter. Students calculate the perimeter of shapes.
Curated OER
Algebra: Area of a Parallelogram
In this parallelogram worksheet, students find the area and perimeters and complete a chart to show the length, width and perimeter for different rectangles with a given area. Houghton Mifflin text is referenced.
Pennsylvania Department of Education
Length and Perimeter
Third graders explore tessellations and the spatial concepts used in creating them. In this tessellations lesson plan, 3rd graders rotate, reflect and transform shapes to create tessellations. Students become familiar with...
Curated OER
Area Investigation
In this area investigation worksheet, 8th graders solve and complete 6 different problems that include complete a chart with given data and a graph. First, they construct as many different rectangles as possible using toothpicks. Then...
Curated OER
History and the Approximations of pi
Middle schoolers investigate Pi. In this mathematics lesson, learners discuss the history of Pi and determine how the approximation of Pi was discovered.
Curated OER
Chapter 6: Geometry Perimeter and Area
In this perimeter and area worksheet, students find the perimeter of various polygons. They compute the perimeter, surface area, circumference, and volume of given figures. Students explore trigonometric ratios. This...
Curated OER
Rhombi and Squares Multiple Choice
In this geometry worksheet, students identify the missing parts of polygons. They use algebra to solve the equations using the rules of polygons. There are 5 questions with an answer key.
Houghton Mifflin Harcourt
Unit 7 Math Vocabulary Cards (Grade 6)
Thirty-eight flashcards make up a set designed to reinforce math vocabulary. Two types of cards can be found here; a word card in bold lettering, and a corresponding definition card that offers a labeled example. Terms include area,...
Mathematics Vision Project
Module 5: Circles A Geometric Perspective
Circles, circles, everywhere! Pupils learn all about circles, central angles, inscribed angles, circle theorems, arc length, area of sectors, and radian measure using a set of 12 lessons. They then discover volume formulas through...
Curated OER
Geogebra Basics
Students identify basic geometric shapes using Geogebra. In this geometry lesson, students work on a laptop as they explore different geometric shapes. They calculate the area and perimeter of triangles.
Curated OER
Polygon Area Review Sheet
In this polygon area worksheet, learners answer 8 questions involving the area of several polygons. Students are given various details of the polygon and must find lengths of various polygons.
Curated OER
Area, Perimeter, Volume Formulas
In this formulas worksheet, students write the area, perimeter, and volume formulas of 17 2D and 3D polygons. Students list properties of various types of triangles and the metric conversions for metric units.
Curated OER
Perimeter and Area
In this perimeter and area instructional activity, students find the perimeter and area of squares and rectangles. Students complete 9 problems total.