[this is a back-issue of this website’s newsletter]
It’s making headlines!
Ba-dum!
Ok, no more silly jokes, I promise. Cross my heart!
Continue reading Did you hear the one about the corduroy pillow?
[this is a back-issue of this website’s newsletter]
It’s making headlines!
Ba-dum!
Ok, no more silly jokes, I promise. Cross my heart!
Continue reading Did you hear the one about the corduroy pillow?
This is a back-issue of this site’s newsletter
Have you heard of cryptarithm puzzles? They’re a great pre-algebra puzzle, and some can be quite mind-bending. They’re also called called Crypt-Arithmetic puzzles, Letter Arithmetic puzzles or other names. A cryptarithm is a mathematical sum where each digit has been replaced with a letter. The puzzle is to restore the original sum. Continue reading [DMMGFK #56] 4 Million Cryptarithms Online Now
If you have 1000 Euros you want to invest, what do you do?
Last week, I got to help my son learn subtraction with borrowing. He’s already learned how to subtract two-digit numbers when borrowing is not needed, as you can see from the picture below.
Continue reading Two, One, Zero, Blast Off! (or, How To Teach Subtraction)
This is a back issue of this website’s newsletter.
When I started Dr Mike’s Math Games for Kids, the first group of games to become popular was my collection of Printable Math Games and puzzles. I’ve recently added a new member to that flock, a Magic Hexagon Worksheet Generator.
Once upon a time, if you wanted to buy or sell shares in a company, your wishes would be conveyed by word of mouth to a broker on the trading floor of a stock exchange. Then, he’d have to find another broker on the same floor willing to match your offer. This would, of course, take some time.
A while ago, I sent an email to all the people who might be president in 2013. In it, I asked :
Today, the first reply came in – from Barack Obama. No reply yet from any of the Republican candidates, though I suppose there’s only one that matters now.
I’ve reproduced Barack Obama’s letter below. I’ll comment further when I get a reply from Mitt Romney, or when I’m convinced I’m not going to get one.
This is a past issue of this website’s newsletter.
Highway Jam available in Free or Paid Versions
Continue reading [DMMGFK #54] Highway Jam, and Highway Jam Free
My son wrote an essay recently. The topic was ‘homework’. It left me with this impression :-
The Financial Times has a rather technical piece on the effect of some changes in how British Universities will be funded. Basically, the universities have been told