If you’ve ever shuffled a deck of playing cards, you’ve most likely created a unique deck. That is, you’re probably the only person who has ever arranged the cards in precisely that order. Although ...

Families with three or more boys, for example, are more likely to have another boy than a girl as the next child. In families with several children of the same sex, the odds of having another baby of ...

It’s an old joke that there are three kinds of people in the world: those who are good at math and those who aren’t. Tanya Evans, an associate professor in the School of Education and Human ...

Bitcoin miners don't solve complex math problems - they guess numbers. While "solving mathematical puzzles" has become a common description of bitcoin mining, the process more closely resembles a ...

The missing number is 1,620. The digits in the tens places (green in the figure below) of the numbers in columns 1, 2, 4 and 5 are added together. The total value is represented by the digits in the ...

Nearly twenty years after I graduated high school and my last calculus class, I still get that nightmare where I’m at the exam for a calculus course I somehow forgot to attend, or that I faked my way ...

Any random sequence of events, such as the lapping of ocean waves on the shore, can become a clock – and physicists have now devised a mathematical procedure for making such an odd timepiece and for ...

In our work as math coaches and consultants, we are often asked to help teachers structure small group practice time. Teachers who are required to implement “what I need” (WIN) groups or small group ...

Invoking Math.random() returns a (pseudo)random number of type double from the half-open interval [0, 1). Use this generator to draw cards from a standard deck. First, draw an integer from the ...

Stanford math-ed prof Jo Boaler’s DEI racket may finally be coming to an end: On Wednesday, a 100-page complaint was filed against her, citing 52 instances of misrepresentation in her research ...

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