Purple Math
Purplemath: Purplemath Resources
Algebra teacher Elizabeth Staple offers answers to the question, "How do you really do this stuff?" Detailed and down-to-earth, Purplemath has dozens of graduated and cross-referenced lessons, links to other valuable resources, and...
CK-12 Foundation
Ck 12: Analysis: Cubic Models
[Free Registration/Login may be required to access all resource tools.] In this lesson students will be modeling with cubed or piece-wise functions. Students examine guided notes, review guided practice, watch instructional videos and...
Curated OER
Etc: Maps Etc: Physical, Political, and Economic Asia, 1872
A map of Asia from 1872, showing physical features including mountain systems, deserts, lakes, rivers with direction of flow, coastal features, and ocean currents, political boundaries and foreign possessions at the time, and commercial...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Pre Colonial Africa, 1872
A map of Africa showing the continent prior to the Berlin Conference of 1885, when the most powerful countries in Europe at the time convened to make their territorial claims on Africa and establish their colonial borders at the start of...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Asia (Physical), 1868
A map from 1868 of Asia showing physical features and natural resources of the region. The map shows political boundaries of the time, with capitals, major cities, and ports. The map shows mountain systems with black lines of variable...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Europe (Physical), 1868
A map from 1868 of Europe, showing the physical features, climate, and commercial resources of the region. Mountain chains are represented by lines of varying thickness, with the broader the line, the greater the elevation. The highest...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Climatic Regions of Mexico, 1899
A map from 1899 of Mexico showing the general climate divisions of the region, including areas of warm climate, temperate climate, and cold climate. "The Tropic of Cancer crosses Mexico near the center. The low, hot, and moist coast...
Curated OER
Educational Technology Clearinghouse: Maps Etc: North America, 1868
A map from 1868 of North America, Central America, and the Caribbean showing the physical features of the region, vegetation types, ocean currents, temperatures, principal products and mineral deposits. Mountain chains are represented by...
Curated OER
Educational Technology Clearinghouse: Maps Etc: South America (Physical), 1868
A map from 1868 of South America showing the physical features of the region, vegetation types, ocean currents, temperatures, principal products and mineral deposits. Mountain chains are represented by lines of varying thickness, with...
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