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 ...

Math doesn’t add up for some kids, and a weak number sense may be partly to blame. An evolutionarily ancient ability to estimate quantities takes a big hit in children with severe, ...

DURHAM, N.C. -- Babies who are good at telling the difference between large and small groups of items even before learning how to count are more likely to do better with numbers in the future, ...

Few elementary education programs give future teachers enough exposure to foundational math concepts, like number sense and algebraic reasoning, before they reach the classroom. That’s the upshot of a ...