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 are learning how to count one more and one less in a collection of objects. Here are ...

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...

Parents typically start teaching their children to count at an early age: one fish two fish, three little pigs, five little monkeys, and so on. Research has shown that kids don’t fully understand the ...