Shodor Education Foundation
Shodor Interactivate: Number Base Clocks
Visually explore counting and place value with different number bases, from base 2 to base 16, and up to the hundreds place using a clock like interface. The activity also allows you to look at the numbers on the clock in base 10 or in...
Shodor Education Foundation
Shodor Interactivate: Number Base Clocks
Introduces young scholars to the concept of base ten and how to use other base number systems.
Alabama Learning Exchange
Alex: Telling Time to the Hour
This activity helps children make a connection between the digital and analog clock. In general, the number system is based on units of ten which can sometimes make it difficult for children to realize that time is based on cycles of...
Curated OER
Etc: Maps Etc: Commercial Map of the United States, 1872
A commercial map from 1872 of the United States showing the principal railroad and steamship routes in the region at the time. The map shows state boundaries and capitals, major cities and ports, submarine telegraph cables to Europe,...