Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

Everyone experiences plateaus. But not all plateaus are the same. Here's how to diagnose your plateaus, personalize your ...

Malcolm's workspace hasn't changed that much by initial appearances, but he has gradually changed how he works to include ...

The chessboard has been the source of many ingenious puzzles that involve spatial reasoning and insight thinking. The seven ...

If you’re hoping to hit the high seas in Blox Fruits, here are some tips for leveling that’ll turn you from sadsack to ...

Remember the days when math wasn't just about numbers on a screen? Enter the abacus, that ancient counting tool that looked ...

Kids in elementary school learn—or are supposed to learn—how to add fractions and round numbers. But many students at the University of California, San Diego—a top public university ranked sixth ...

Abacus Life, Inc. (ABL) closed the last trading session at $6.23, gaining 17.1% over the past four weeks, but there could be plenty of upside left in the stock if short-term price targets set by Wall ...

Journal Editorial Report: The week's best and worst from Kim Strassel, Jason Riley and Dan Henninger. Remember when the University of California kicked off a trend by eliminating the SAT test as an ...

Across the country, educators continue to wrestle with big questions about math curricula. Two years ago, the California education board’s adoption of a long-gestating new math framework added more ...