Newark public schools are cautiously trying out a new automated teaching aid from Khan Academy. The preliminary report card: “could use improvement.” By Natasha Singer Natasha Singer, who covers ...
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How to subtract mixed numbers that have unlike denominators | Fractions | Pre-Algebra | Khan Academy
FBI director says agents arrested judge for obstructing immigration operation David Muir shares 3D scans of Titanic that reveal new insight into its final moments Trump signs executive order focused ...
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