Bite-sized challenges to lock in what you have learned. Each tile opens with sample content — try them with no pressure, no progress tracked.
Match each value to the family it belongs to (number / text / yes-no / list).
Put the steps of a program in the order they happen.
Sort each value into the bucket whose type-stamp it matches.
Read a 2- or 3-line snippet and pick what it prints.
Three lines, one is wrong. Click the bad line.