The researchers compared children’s ability to estimate quantity with their level of mathematics achievement. To conduct the study, the researchers gave 71 ninth graders two series of tests designed ...

I’ve been following the debate over the 8th grade algebra mandates with some interest [“Algebra miscalculation,” and “Factoring algebra into 8th-graders’ equations,” July 17]. Let me point out that ...

Preschool children who showed less ability to estimate the number of objects in a group were 2.4 times more likely to have a later mathematical learning disability than other young people, according ...

Math researchers discovered new evidence about math learning disabilities. Researchers funded by the National Institutes of Health have discovered that the innate ability to estimate quantities is ...