ABCya!
Adventure Man is back once again, but this time with the help of fearless friend Danger Dame!
ABCya!
Number Ninja – Prime Numbers is a fast-action way to practice factors.
youcubed (Stanford University)
Here’s a game where students can color patterns in a hundred chart showing multiples of a number they have rolled.
National Council of Teachers of Mathematics
Write 2014 with the first four prime numbers, with the aid of the operations addition, multiplication and exponentiation.