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5 Steps


Welcome to our lesson sequence on REVISION! A good place to start is here with this overview video. Completing this sequence by watching the videos and taking a brief quiz after each, then marking the lesson complete, will give you a REVISION badge!

50 Points


Revision is the badge that demonstrates you have learned a five-step revision sequence.

1 Required Step

  • Complete all Revision topics.

Image: Eye by n4i / cc by 2.0 attribution

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