We know there are individual differences in math ability, even at a young age, but what basic cognitive tools lay the foundation for whether we are good with numbers? And specifically, what basic ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...

Fractions are enough to make you cry if you’re not a math whiz, but Microsoft Excel handles them very well. In fourth-grade math, you learned fraction basics: Fractions are a numerical representation ...