Khan Academy: Arithmetic provides series of videos for each of the concepts of arithmetic mathematics. When you click on the topic, a series of videos will appear. After a set of a few videos, it will give you an interactive exercise to practice what you learned. Each video has a play icon next to it and each interactive exercise has a star icon next to it. This is a great tool for brushing up on your math skills before taking the ACCUPLACER or other math placement exams.
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