Microsoft's Minecraft Set to Launch its Own Currency. by. Microsoft Corp. is adding a new marketplace -- and a brand new currency -- within the video-game Minecraft, opening up the opportunity for businesses to sell their original content and creations to tens of millions of the gameâs players for the first time.
In combinatorics, the rule of sum or addition principle is a basic counting principle. Stated simply, it is the idea that if we have a ways of doing something and b ways of doing another thing and we can not do both at the same time, then there are a + b ways to choose one of the actions.
Strategies based on the theoretical underpinnings of mathematics are also emphasized in the new standards. First grade students may not have to memorize as many addition equations, but now they must be able to understand and demonstrate the use of the commutative property of addition, that is: 6 + 2 = 2 + 6. Previously, this idea was not introduced until 2nd grade.