1. Why do we break numbers into tens and ones? Choose a two-digit number and explain how partitioning it helps you understand how big it is. 2. What does the position of a digit tell us about its ...

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 ...

Most children learn that written numbers represent quantities in pre-school or junior primary school. Now our new study shows that honeybees too can learn to match symbols and numerosities, much like ...

Most people think that only people can understand numbers, but that's not true. Many animals can naturally figure out how ...

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, ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello! Today we're learning how to name ordinal numbers up to five. Let's start with first. Imagine you ...

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 ...