K12 Reader
Basic Geometry Terms
Set your pupils up to start on geometry by teaching them some introductory terminology. Pupils learn the terms by reading a short passage and looking at examples. They then respond to five questions related to the text.
Inside Mathematics
Scatter Diagram
It is positive that how one performs on the first test relates to their performance on the second test. The three-question assessment has class members read and analyze a scatter plot of test scores. They must determine whether...
Improving Measurement and Geometry in Elementary Schools
The Sum of the Interior Angles of a Polygon
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this lesson.Â
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Translations, Reflections, and Rotations
High schoolers are introduced to the concepts of translation, reflection, and rotation. They practice translating, reflecting, and rotating two-dimensional objects on the coordinate plane. students use computers to learn about the three...
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Mr. Lincoln's Way
Students read the book, Mr. Lincoln's Way by Patricia Polacco, They discuss racism and discrimination. They draw a bird and write a paragraph discussing what makes their bird special and unique.
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Eureka! I've Got an Idea
Students research the accomplishments of an inventor. They create a web site based on the research including historical, economic and scientific impact of the invention.
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Introduction to Fractals: Geometric Fractals
Students study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Students complete worksheets based on Geometric Fractals.
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Relative Size Lesson Plan for First Grade
First graders compare triangle sizes, square sizes, and lengths. They use manipulatives of three varied sized triangles, squares, and strips to measure and compare relative size and length.
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Food and Fiber: Helping the Environment and You
Fourth graders explore the many uses of corn-based products and the importance of water resources. They consider how biodegradable products help to keep water clean. They perform experiments to observe how corn pellets dissolve while...
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Pottery, Porcelain, And Posterity
Middle schoolers research and discuss the various ceramic techniques foudn throughout China's history using primary source documents and internet resources. This lesson emphasizes small learning groups.
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Playing the Part of the Potter
Students identify and define horror vacui (fear of empty spaces) and create their own pinch pot vessels with no empty spaces.
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Examining the African American Family through the Eyes of Women Authors
Pupils read stories by women authors on the characteristics of the African-American family. Using the internet, they research the history of issues that have affected African-American families from the Civil War to the Civil Rights...
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Lady Liberty
Students discussed symbolism, freedom and the Statue of Liberty. They explored Keith Haring's style. They used colored markers, color, and line to draw a Statue of Liberty.
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Bamana Chi Wara Headdresses
Students create African headdresses out of styrofoam blocks and black paint using information gathered from the Bamana Chi Wara style of headdresses. This Art lesson can be adapted for many different levels.
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Introduction of Primary Sources
First graders examine a database to explain the use of primary source documents.
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Geometry and Symmetry
Students examine tessellations and their geometric properties. The lesson and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.
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Forces and Balloons
Learners investigate the forces of compression, tension and torque on common birthday balloons.
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Irregular Fractals
Middle schoolers study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
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Identify That Culture
Students view various types of artwork and try to identify the culture being represented. Using a worksheet, they answer questions based on the artwork and the artist's use of color and technique. They research the artist's country of...