transparent red sheet
transparent red plastic sheet that you use to cover up answers in textbooks to aid memorization
2
votes
Mitsutoshi Nagano
shared this idea
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Can Rau
commented
Have you tried the Flashcards feature yet? Maybe it works for you https://support.goodnotes.com/hc/en-us/articles/360001888175-Studying-with-the-Flash-Cards-feature