linking ratios and fractions close fractionThe result of one integer divided by another. It is written with one integer above the other with a horizontal line between them. The denominator must not be ...

‘I love the act of mixing a cocktail in a decorative beaker with a long bar spoon,” Michael Ruhlman writes in his latest brief book. “As one bartender told me, part of the pleasure of a cocktail is ...

Revise how to work out equivalent ratios and simplify ratios by dividing both sides by the highest common factor. Test yourself with practice questions and a game. NEW: Ratio and fractions, and ...

“Do you see the pattern? Each number in the series after the first two numbers is the sum of the preceding two numbers.” That’s how I began my last column focusing on the Fibonacci sequence, which ...

My colleague Joni Lakin, Assistant Professor at Auburn University, sends me her latest paper titled “Sex differences in reasoning abilities: Surprising evidence that male-female ratios in the tails of ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

The chart above shows the male-female test score ratio for the 2009 SAT math test (data here). For example, for perfect scores of 800, males (6,928) outnumbered females (3,124) by a ratio of 2.22 to 1 ...