Ключевые слова: academic, activity, answer, brain, challenge, check, children, choice, choose, circle, college, correct, education, exam, examination, fill, find, form, game, geometric, geometry, illustration, intelligence, iq, knowledge, line, logic, logical, missing, play, preschool, puzzle, question, quiz, riddle, right, school, set, shape, sheet, solve, square, student, task, test, think, university, visual, worksheet,