K20 LEARN
If Our Classroom Were The World: Proportions And Percents
It's a small world after all. Classmates consider world population, languages, and religions in a cross-curricular lesson. Applying percentages and proportions, they determine what the class make-up would be if the class represented the...
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Agriculture in the Classroom
A Holiday Tradition: Which Christmas Tree Will You Choose?
Different varieties of Christmas trees provide an interesting way to combine social studies, science, math, and technology. Class members not only research the history of the Christmas tree holiday tradition, they compare and...
Curated OER
Graphing the Past Using Today's Technology
Eighth graders research statistical data regarding their current social studies unit. They write questions about the measures of central tendency, collect and analyze the data, insert the data into a spreadsheet, and generate graphs.
Curated OER
Graphing the Past Using Today's Technology
Eighth graders research and gather information from such sources as Microsoft Encarta, World Wide Web sites, and other sources using computer software to collect data.
Curated OER
Lost Treasures of Tibet: Mandalas
Young scholars examine the history of mandalas from Tibet. After reviewing the Designing a Mandala handout, they use geometric symmetrical shapes to create their own examples. Next, they write poems or essays and explain the meaning of...
Curated OER
Heavy: The Story of Metal (Part 2)
High schoolers discuss censorship of music and other art forms. Students create their own list of criteria for acceptable music. High schoolers write a list of their own "Filthy fifteen" based on their criteria for acceptable music.