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I’ve just been perusing a very interesting blog (and a great resource for teachers in public schools). It’s called MathNotations. This post intrigued and annoyed me, though. (Hey, maybe that’s a sign that it is a good blog!) It’s a poll about which method should be used to teach multidigit multiplication, like 48*73, for [...] A reader in China asked about how to change fractions…not just simple ones, into percent. “I am trying to assist my 6th grader and my way of doing math works, but it appears complicated when I explain it….” Professor Homunculus replies: I know what you mean. I used to be a math teacher, and [...] A girl recently asked: “I need help learning multiplication. Can you help me learn to multiply?” Professor Homunculus replied: I have lots of questions to ask you, but first, here is something you can do right away to help you learn multiplication by 2, 3 and 4: Get out a deck of cards. Make sure [...] A reader wrote in the following request: I need to know what would be a good activity to use with preschool and primary students to help them grasp the concepts of the following: 1. Centering 2. Reversibility 3. Conservation of -amount -length -number -liquid -area I would really appreciate any suggestions! Professor Homunculus replies: The [...]
As loyal readers know, I am a semi-retired professional magician. I live in rural upstate New York, where there’s not a lot of work for magicians, except at birthday parties, weddings, etc. I’d rather eat a raw frog than perform at functions like that, so I don’t get a lot of gigs up [...] Recently an interested reader (a teacher) wrote in a great question. I thought you might be interested in it, too. Here it is: I ran across your website of mathematical terms. Is there a specific name for the division bracket? We are introducing 3rd graders to the vocabulary and symbols. Thank you. Haven’t you ever [...] |
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