Who Gets What-And Why The New Economics of Matchmaking and Market Design

A Nobel laureate reveals the often surprising rules that govern a vast array of activities-both mundane and life-changing-in which money may play little or no role.If you've ever...

Let's Learn Addition

Improve math skills and test scores with songs that teach addition facts 0-18, the "Doubles Plus One" and the "Two More Than" strategies, and more. Great for classrooms and sure...

Maths on the Back of an Envelope Clever Ways to (Roughly) Calculate Anything

How many cats are there in the world? What's the chance of winning the lottery twice? And just how long does it take to count to a million? Learn how to tackle tricky maths...

The Golden Ratio The Story of Phi, the World's Most Astonishing Number

Throughout history, thinkers from mathematicians to theologians have pondered the mysterious relationship between numbers and the nature of reality. In this fascinating book,...

Let's Learn Subtraction

Fourteen songs with pop rhythms, screaming saxophone, and tight vocal harmonies result in an easy way to learn and comprehend strategies and fact families! Kids learn why the...

Let's Learn Division

Music, rhythm, and cool melodies help kids master and review strategies for division. This Division audio-book includes songs that teach how to make a Fact Family and to Think...

The Prime Number Conspiracy The biggest ideas in math from Quanta Magazine

These stories from Quanta Magazine map the routes of mathematical exploration, showing readers how cutting-edge research is done, while illuminating the productive tension between...

The Doomsday Calculation How An Equation That Predicts the Future Is Transforming Everything We Know About Life and the Universe

In the eighteenth century, the British minister and mathematician Thomas Bayes devised a theorem that allowed him to assign probabilities to events that had never happened before....

Let's Learn Multiplication

Original songs that teach each multiplication fact 0 to 12 separately- slowly for beginners then faster for advanced learners! Then review the facts with the answers and then...

The Equation That Couldn't Be Solved How Mathematical Genius Discovered the Language of Symmetry

What do Bach's compositions, Rubik's Cube, the way we choose our mates, and the physics of subatomic particles have in common? All are governed by the laws of symmetry, which...

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