EdTech Exercises Libraries OER 
Hapara
MAY 12, 2022
They come from sources such as the Michigan Open Book Project, Core Knowledge, CK-12, OpenStax and OER Commons. It offers a range of writing exercises specifically written for high school. Digital Backpack even includes an already-built library of openly-licensed and public textbooks that your school or district can distribute.
Edsurge
AUGUST 24, 2020
As countless educators around the world have scrambled to figure out how to deliver lessons remotely with whisker-thin budgets, many turned to open education resources (OER). CK-12 is at the forefront of OER by doing adaptive and personalized learning. Our model was to be more than an OER aggregator,” Khosla says. “We
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