Category: General

What are the 12 pentominoes?

There are twelve possible shapes in a set of unique pentominoes, named T, U, V, W, X, Y, Z, F, I, L, P, and N. An easy way to remember all the letters in ...

What 4 numbers make 100?

Using the numerals 1,7,7,7 and 7 (a “1” and four “7”s) create the number 100. How do you use 123456789 to get 100? The strategy I would use is the followi...