Lesson Plan
Curated OER

Granary Door Dogon, Mali

For Teachers 3rd - 6th
Students explore a creation myth. In this visual arts lesson, students discuss the Dogon creation myth and the design and make refrigerator magnets in the style of Dogan granary doors. The design of the magnets should include linear and...
Lesson Plan
Curated OER

Dual Federalism

For Teachers 9th - 12th
Young scholars compare and contrast the roles of federal and state governments in the United States. In this government lesson, students research state and national governments' joint and individual powers prior to debating a topic...
Lesson Plan
Curated OER

Valley Forge

For Teachers 1st - 3rd
Students describe how location, weather, and physical environment affect the way people live, including the effects on their food, clothing, shelter, transportation, and recreation. They also describe the lives of American heroes who...
Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 6th - 10th
Learners use the digital camera, identify geometric shapes (in nature as well as man-made), and gain a better understanding of geometric vocabulary. They search for and recognize geometric shapes in unusual settings
Lesson Plan
Curated OER

Surviving on the Siberian Tundra

For Teachers K - 4th
Young scholars describe ways Nenets have adapted to their environment after listening to a National Geographic article about them. They compare their own adaptions to their environment with those made by the Nenet culture.
Lesson Plan
Curated OER

Properties of Fractals

For Teachers All
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
Lesson Plan
Curated OER

Building a Body: Scale, Proportion, and Ratio

For Teachers 9th - 10th
Students measure, analyze, and compare the ancient Egyptian canon of proportions using a mummy, painted images, and photographs of people today.
Lesson Plan
Curated OER

Mary Had A Little Lamb

For Teachers 4th
Fourth graders listen and observe the role play of the various versions of the poem. They take notes while listening and observing and develop their own versions of "Mary Had a Little Lamb".
Lesson Plan
Curated OER

Sailing Vessel Contour Creations

For Teachers 6th - 8th
Students explore different types of sailing vessels and the rigging, sails, masts. They discuss contour lines and how they can be used to create a portrait of a sailing vessel then they choose a sailing vessel image as a reference to...
Lesson Plan
Curated OER

Think Green

For Teachers 4th - 8th
Students experience and practice compositing and recycling through hands-on-activities. They distinguish between which items from their trash can be recycled, composted and reused. The process for making recycled paper is also covered in...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Similar Polygons

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the ratios of the perimeters and areas of similar polygons. Students examine guided notes, review guided practice, watch instructional...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Similar Polygons

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find area and perimeter of similar polygons using ratios. Students examine guided notes, review guided practice, watch instructional...
Activity
CK-12 Foundation

Ck 12: Area and Perimeter of Similar Polygons

For Students 5th - 7th
[Free Registration/Login Required] Students move points to make diagonals in order to solve for area and perimeter of polygons. Click challenge me to answer practice questions.
Lesson Plan
Science and Mathematics Initiative for Learning Enhancement (SMILE)

Smile: Similarity

For Teachers 9th - 10th Standards
This site contains a lesson plan for high school age students. The objective is to discover the factor of proportionality in similar polygons and to relate this factor to the perimeters and areas of similar polygons.
Handout
Math Open Reference

Math Open Reference: Similar Polygons and Triangles

For Students 9th - 10th Standards
A complete reference guide to similar triangles and polygons. It provides definitions and interactive activities that enhance further explanation.
Unit Plan
Texas Education Agency

Texas Gateway: Investigating and Applying Dimension Changes: Area

For Students 9th - 10th
The student will describe the effects of changing one or more dimensions on the area of a figure.
PPT
Sophia Learning

Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 3

For Students 9th - 10th
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 3 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."
Unit Plan
Sophia Learning

Sophia: Scale Factor and Surface Area of Similar Figures: Lesson 1

For Students 9th - 10th
This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 1 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."
Unit Plan
Sophia Learning

Sophia: Scale Factor and Area of Similar Figures: Lesson 1

For Students 9th - 10th
This lesson will discuss the relationship between scale factor and area of similar figures. It is 1 of 5 in the series titled "Scale Factor and Area of Similar Figures."
PPT
Sophia Learning

Sophia: Scale Factor and Area of Similar Figures: Lesson 3

For Students 9th - 10th Standards
This lesson will discuss the relationship between scale factor and area of similar figures. It is 3 of 5 in the series titled "Scale Factor and Area of Similar Figures."
Handout
CK-12 Foundation

Ck 12: Geometry: Perimeter and Area Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide looks at the definitions and units for perimeter, area, and circumference, and at the perimeter and area of different shapes, including regular...
Interactive
Mangahigh

Mangahigh: Shape: Length, Area and Volume Scale Factors

For Students 9th - 10th Standards
Explore the relationships between area and volume based upon length.
Lesson Plan
Better Lesson

Better Lesson: Architecture With Shapes

For Teachers 3rd
Determining the differences between similar shapes in geometry is more meaningful when the students create architectural structures using the different shapes.
Activity
Texas Instruments

Texas Instruments: Area Patterns

For Teachers 6th - 8th
Students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They will then use the patterns and the calculator to predict the number of blocks it will take to build a specific shape in the...