Lesson Plan
Curated OER

Figuring Elapsed Time

For Teachers 6th - 7th
Students discover the concept of elapsed time. In this calculating time lesson plan, students utilize the Internet to complete record sheets based on the concept of elapsed time. Finally, the students answer questions on their own.
Lesson Plan
Curated OER

Volume Review

For Teachers 5th - 8th
Students investigate the concepts of volume for rectangular prisms and spheres. They measure the volume of one balloon and then consider how many breaths it would take to fill the room with balloons. The rectangular prism being measured...
Lesson Plan
Pennsylvania Department of Education

Making Cubes

For Teachers 3rd
Third graders explore vocabulary associated with three dimensional figures.  In this transformations lesson, 3rd graders create two dimensional nets for three dimensional figures.  Students become familiar with describing two...
Lesson Plan
Curated OER

Geometry and Tony Smith Sculpture

For Teachers 6th - 8th
Young scholars respond to Tony Smith's sculpture as art and brainstorm about math concepts inherent in his work. They create a sculpture with polyhedra nets, calculate the cost of covering sculpture in gold, and write an exhibit label...
Lesson Plan
Curated OER

How Long? How Wide?

For Teachers 2nd
Second graders distinguish between and use nonstandard and standard units of measurement, use appropriate tools and techniques to measure length and width, and record and interpret data using graphs.
Lesson Plan
Curated OER

Perimeter

For Teachers 3rd - 12th
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.
Lesson Plan
Curated OER

Inching Our Way through Measurement

For Teachers 3rd - 5th
Students review how to use an inch ruler and listen to the story, Inch by Inch by Leo Lionni. In this measuring lesson, students work in small groups to create an Inch Poster. Students then use an inch ruler to measure different objects...
Lesson Plan
Curated OER

Measurements

For Teachers 7th
Seventh graders solve word problems involving real world situation. In this geometry lesson, 7th graders solve problems related to volume. They apply the formulas taught in geometry.
Lesson Plan
Curated OER

Peter's String

For Teachers 4th - 6th
Students are introduced to the math problem and consider how they could approach it. In pairs, students investigate Peter's conjecture in any way they see fit. They then share their answers with the class.
Lesson Plan
Curated OER

Totally Tessellations!

For Teachers 8th
Eighth graders investigate the concept of tessellations and transformations. They create patterns to demonstrate and practice the skill. Students write a description of the pattern for others to interpret. The pattern is assessed...
Unit Plan
Texas Education Agency

Texas Gateway: Determining Area: Regular Polygons and Circles

For Students 9th - 10th
The student will apply the formula for the area of regular polygons to solve problems.
Unit Plan
Texas Education Agency

Texas Gateway: Determining the Perimeter of a Polygon (Series and Activity 1)

For Students 2nd - 4th
This activity provides an opportunity for students to investigate the perimeter of polygons.
Activity
Texas Instruments

Texas Instruments: Area and Perimeter of Regular Polygons

For Teachers 9th - 10th Standards
Students determine the area and perimeter of regular polygons and use that information to conduct a beginning investigation of limits.
Activity
Texas Instruments

Texas Instruments: Finding the Area of Regular Polygons

For Teachers 9th - 10th Standards
Students discover a very intuitive method for determining the area of a regular polygon. They use that information to develop the standard area formula.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Dojo: Polygons and Time Zones

For Students 5th - 6th
Students will play several learning games to explore polygons such as triangles, and how to determine the area of triangles and the different types of triangles. They will also explore time zones.
Activity
Texas Instruments

Texas Instruments: Surround and Be Found! Triangular Areas, That Is!

For Teachers 6th - 8th Standards
In this activity, students use the Geoboard to determine the area of triangles using the surrounding rectangle technique. They also develop and use formulas to determine the area of triangles. [Requires Adobe Reader.]
Activity
CK-12 Foundation

Ck 12: Area and Perimeter of Triangles

For Students 9th - 10th Standards
[Free Registration/Login Required] Students are given the base and height of a triangle and are to determine the area and perimeter. Click challenge me to answer practice questions and click learn more to watch a video.
Activity
Texas Instruments

Texas Instruments: Cross Fencing Pastures

For Teachers 6th - 8th
In this activity, students use the Geoboard to determine the areas of polygons by dissecting them into parts that are squares, rectangles, and triangles.
Activity
TOPS Learning Systems

Top Science: Go Figure! [Pdf]

For Students 3rd - 8th Standards
This is a classic area puzzle where polygon shapes are rearranged, giving what seems to be a different total area. Students must try to determine why there is a discrepancy.
Lesson Plan
Alabama Learning Exchange

Alex: Students Only! No Teachers Aloud

For Teachers 3rd - 5th
The students will be introduced to area and perimeter. The teacher will pose a real-life situation in which the students will have a chance to explore an actual section outside to determine the area and perimeter of a set location.
Activity
Texas Instruments

Texas Instruments: Get to the Point! Coordinate Geometry!

For Teachers 6th - 8th Standards
In this activity, students use the Geoboard to determine the area of any polygon using coordinates.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.g Same Base and Height, Variation 2

For Teachers 5th - 8th Standards
This is the second version of a task asking learners to find the areas of triangles that have the same base and height. This presentation is more abstract as students are not using physical models. They still determine the area of each...
Activity
Texas Instruments

Texas Instruments: Pick and Choose! Using Pick's Theorem!

For Teachers 6th - 8th
In this activity, students use the Geoboard to determine the area of any polygon using Pick's Theorem.
Handout
Other

Stat Soft: Statistics Glossary

For Students 9th - 10th
Dozens of statistical terms are defined and illustrated in this glossary.