Re: “School review must back skills,” editorial, Oct. 29. I think the editorial omitted comments about the most basic idea or skills. Number sense is the key foundation of numeracy. Mathematics ...

Millions of high school and college algebra students are united in a shared agony over solving for x and y. For those to whom the answers don't come easily, it gets worse: Most preschoolers and ...

Duke University researchers say that basic "number sense" seems to be common to monkeys, babies, and college kids. The researchers came to this conclusion while studying how human adults and infants, ...

Brannon is also exploring the macaque's sense of an empty set, what we'd call zero with our linguistically intensive sense of number. The monkeys are more likely to confuse an empty set with a 1 or a ...