ATLANTA — Students gathered around a bright blue number board in Melissa Williams’ kindergarten class at the Westminster ...

Cognitive overload can create a bottleneck during math lessons, but there are simple strategies to clear up students’ brain space for complex problem-solving.

ATLANTA — Students gathered around a bright blue number board in Melissa Williams’ kindergarten class at the Westminster School, gazing at the bank of 100 blank squares, organized in rows and columns ...

Number sense is so ingrained that many adults don’t remember being taught such early math skills, much like learning how to read. But unlike the recent wave of evidence on science-based reading ...