All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Over at Duck Duck ...
Like many parents, Sal Khan has bought Itsy Bitsy Spider, Park Math and other educational apps created by Duck Duck Moose, a San Mateo, Calif.-based startup. But the Khan Academy founder just scored ...
All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Learn more. Duck ...
Studies show that students usually have to relearn four to six weeks of classwork at the beginning of every school year. And if there’s anything kids forget, it’s math. With your trusty iPad and a few ...
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