From fractions and decimals to distance and time, the humble-but-versatile number line can deepen students’ understanding of ...

Children begin to understand number place value by age 3—much earlier than previously believed, according to a new study in Child Development— and they may be ready for more substantive math lessons ...

This is part of a series of essays during the COVID-19 pandemic designed to help journalists and all public writers achieve what I have been calling “civic clarity.” That quality in prose comes from ...

A study of people in Nicaragua has concluded that humans need language in order to understand large numbers. Members of the group were born deaf and never learned Spanish or a formal sign language, ...

While they can't pick out precise numbers, animals can comprehend that more is, well, more. A neurobiologist explored the current literature on how different animal species comprehend numbers and the ...