# Fifty-Five

Way back in post Thirty-Four, I talked about the Fibonacci sequence of numbers, the series that begins: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, ... After the first two 1's, the rest of the series is determined by simply adding the previous two numbers in the series. It goes on forever. Well, … Continue reading Fifty-Five

# Thirty-Four

Leonardo of Pisa, better known as Fibonacci, was one of the great mathematicians of the Middle Ages. He lived in Italy in the twelfth and thirteenth centuries, and among other things, popularized the Arabic numeral system throughout Europe. It's in part thanks to Fibonacci that today's blog post is called 34, not XXXIV. Roman numerals are nice, … Continue reading Thirty-Four

# Thirty-Three

Does every elementary school have its resident “whiz kid”? The kid who always knows all the answers, always gets placed in the advanced programs, always is number one in anything academic? Well, my elementary school did, and it was me. It was a small pond, to be sure, but I was the big fish there. … Continue reading Thirty-Three

# Twenty-Eight

28 is a perfect number. In mathematics, a perfect number is a number that is equal to the sum of all of its factors. Think back to your arithmetic days: what are the factors of 28? 1, 2, 4, 7, 14 That's right. And if you add them all together? 1 + 2 + 4 … Continue reading Twenty-Eight

# Nine

Sometimes mathematics can be counterintuitive. Take, for example, the following equation: 0.9999... = 1 The ellipsis following the nines means that the nines continue to infinity. On the surface, this equation seems wrong. I mean, think about it. You can tell that 0.9 is close to 1, and that 0.99 is even closer, but doesn't it seem … Continue reading Nine

# Six

There are six sides to a snowflake. Snowflakes are complicated. Snowflakes have intricate designs that can be seen with microscopes. That much we know. But then there is the assertion: no two snowflakes are exactly alike. And how do we know that? Everyone seems to know it. It's just common knowledge. It gets used as … Continue reading Six