An Inquiry Pack is a collection of activities and ideas that invite you to think as a mathematician, an engineer and an artist. It’s not a pack of stuff. It’s a pack of ideas, suggestions and challenges. The inquiries in each pack invite you to make something or fiddle with simple objects and think about what you are doing. They encourage you to observe what’s in front of you, … [Read more...] about The First Inquiry Pack is IN!
Many people think that the people who play with dolls and the people who use mathematics are two different kinds of people. If you think that way, think some more. While you are thinking, make some doll clothes. First, you need a doll. If you don’t have one, it’s easy to make one out of wire and rags. Twist and bend the wire into a “skeleton” that will be inside the doll. … [Read more...] about Make It, Dress It
If I tell someone that my favorite branch of math is graph theory, communication seldom occurs. People think I take delight in jagged lines and pie charts. They are all too happy to change the subject. It’s an understandable misunderstanding. The meaning of the word graph in graph theory is related to the word graphic. The graphs of graph theory are little pictures, real … [Read more...] about Connecting the Dots
The questions How many triangles are in this picture? How many of them are the same? With some careful observation and counting, you can answer the first question. You can’t answer the second one, though. Not until you decide what you mean by “same.” Counting the triangles Show the picture of the triangles to a friend and count them together. That’s a good way to make … [Read more...] about What is the Same?
Every birthday, you get a new number. However old you might have been the day before, on your birthday, the number changes and you are a year older. Here’s a little game you can play with yourself on your birthday. It gives you a chance to fool around with the new number. You also get to think about your life a bit, which is always good thing to do on your … [Read more...] about A Book for Your Birthday