University of North Carolina
A Dictionary of Units of Measurement
This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.
Shodor Education Foundation
Shodor Interactivate: Shape Explorer
Learners practice calculating the perimeter and area of a given figure. The interactive activity and teacher resources are included.
Texas Instruments
Texas Instruments: How Totally Square Part Ii
Students understand the concept of perimeter of a square, and discover its formula.
Texas Instruments
Texas Instruments: Mapping a Leaf
In this activity, students will identify and record ordered pairs from a coordinate plane. They will examine symmetry about the axes, reflections, and symmetry in nature. They understand geometric concepts like area and perimeter, and...
Texas Instruments
Texas Instruments: Perimeter Patterns
In this activity, students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They then use the patterns and the calculator to predict the perimeter of a specific shape in the sequence.
Texas Instruments
Texas Instruments: Geoboard App
Students use the Geoboard App to measure arcs, line segments, area, and perimeter, as well as rotate, reflect, and translate objects.
Texas Instruments
Texas Instruments: Finding Patterns and Graphing Functions
This activity has students find patterns in the areas and perimeters of a given series of figures. Students' then use graphing calculators to graph the values and to find linear and quadratic functions to describe the patterns.
Texas Instruments
Texas Instruments: Bring Geometry to Life
In this activity, students use the Geometer's Sketchpad application to construct Euler's Line, Pythagorean Proof, and Fermat's point. They also investigate the concept of perimeter.
Texas Instruments
Texas Instruments: Comparing Perimeters and Areas
Students use a graphing calculator to find maximum and minimum values for area and perimeter problems.
Texas Instruments
Texas Instruments: Easy Programming of Geometry Formualas
In this activity, students perform area, surface area, perimeter, and volume.
Texas Instruments
Texas Instruments: Math Today Wildfires Nearly Snuffed
Students can use the data to explore the relationship between area and perimeter for rectangles and circles and they will make generalizations about the shape of the rectangle that will produce the smallest perimeter.
Texas Instruments
Texas Instruments: Building a Garden Fence
In this activity, students can use basic concepts of perimeter and area to investigate a classic problem situation requiring maximization. They must decide how to build a garden fence to enclose the largest possible area.
Texas Instruments
Texas Instruments: Minimum and Maximum Perimeter
The students can use varying numbers of tiles to form shapes, and then find the minimum and maximum perimeter for each.
Texas Instruments
Texas Instruments: Measuring Polygons an Introduction to Cabri Jr.
This activity is designed as an introduction to using the Carbri Jr. application on the TI-83+/84+ calculators. Students are guided through the menu system and are shown how to draw triangles, quadrilaterals and and a pentagon. Perimeter...
PBS
Pbs Learning Media: Skate Off: Round One
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
Next.cc
Next: Area
Investigate how to measure the total flat space that something takes up by engaging in the activities provided. Includes links to explore related sites pertaining to area.
Math Slice
Math Slice: Graph Slice Special Test
A ten question test for assessing measurement concepts of area and perimeter. Assessment is scored online and student scores are compared with other students who have taken the assessment. Great assessment tool.
Math Slice
Math Slice: Geometry Slice Special Test
A succinct test for assessing geometry concepts. Assessment is scored online giving immediate feedback. An excellent assessment tool.
Primary Resources
Primary Resources: Area and Perimeter
Teachers, here are many helpful resources for teaching area and perimeter. Find worksheets, PowerPoint presentations, smartboard presentations, and presentations to aide in the teaching of area and perimeter.
Analyze Math
Analyze Math: Applications of Functions
Learners examine applications of functions. Topics explored are length of a chord, volume, area, and perimeter. The activity includes examples with detailed solutions.
Beacon Learning Center
Beacon Learning Center: Adam Ant Explores Perimeters
Students measure perimeter in this interactive web lesson.
Beacon Learning Center
Beacon Learning Center: Fence Me In!
Students can practice calculating the perimeter of rectangles in this interactive web lesson.
Beacon Learning Center
Beacon Learning Center: Adam Ant Explores Perimeters
Students can explore perimeter in this interactive web lesson.
The Math League
The Math League: Area and Perimeter
This tutorial provides a brief introduction about what area is, then gives the formulas for area of a square, rectangle, parallelogram, trapezoid, triangle, and circle. Examples of each formula are provided.