“Two, four, six, eight; bog in, don’t wait”. As children, we learn numbers can either be even or odd. And there are many ways to categorize numbers as even or odd. We may memorize the rule that ...

The ability to classify objects is crucial to thinking. When you place an object into a category, you are able to predict things about it. When you see a small furry four-legged animal in someone’s ...

An even number is a number that can be shared equally into two groups. For example, these 4 cubes can be shared into two equal groups of 2 cubes. So 4 is an even number. An odd number cannot be shared ...

If you feel a little odd today, your calendar might explain why. Today’s date, 9/11/13, is a mathematical phenomenon so rare that it only occurs five times every 100 years. This is the last time for ...

The ability to classify objects is crucial to thinking. When you place an object into a category, you are able to predict things about it. When you see a small furry four-legged animal in someone’s ...