The study of arithmetic properties and digit restrictions in number theory explores the intricate relationships between classical arithmetic functions and the digital representation of numbers.

II Some examples of the quaintness of large numbers and of the unexpectedness of the results obtained may next be quoted.

Abstract knowledge of number and addition therefore precedes, and may guide, language-based instruction in mathematics. PNAS is the world's most-cited multidisciplinary scientific serial. It publishes ...

From classrooms to kitchen tables, debates about math education are never far away. Should teachers drill multiplication ...

Master the Make 10 strategy to add numbers quickly and accurately. Check simple examples and tips for students to boost mental math skills.

For super easy multiplication tricks, Check out these 5 super-easy multiplication hacks and start amazing your friends and teachers with your speed and skills.