kid, learn, count, homework, difficult, arithmetic, difficulties, child, problems, school, preschool, math, boy, elementary, student, exercise, numbers, homeschooling, test, study, example, abacus, remember, education, caucasian, home, knowledge, mathematics, think, workbook, simple, solve, exam, logic, skill, lesson, task, grade, decision, textbook, schoolboy, prepare, baby, addition, subtraction, tired, bored, lockdown, adhd