Ключевые слова: alphabet, book, card, child, class, classroom, college, color, educate, education, elementary, exam, examination, grade, grading, hand, homework, kid, knowledge, learn, learning, lesson, math, mathematics, paper, pencil, positive, primary, pupil, question, quiz, red, report, school, schoolwork, smart, student, study, teach, teacher, test, university, work, write,