Really Smart



2+2=4 is an equation that is used to show basic mathematics. It is an example of a mathematical statement that is always true, regardless of the context. The equation 2+2=4 is an example of addition, which is a mathematical operation used to combine numbers or variables. When two numbers are added together, the result is the sum of those two numbers – in this case, 4. For example, if you have two apples and add two more apples, you have a total of four apples. If you have two pencils and add two more pencils, you have a total of four pencils. The same concept applies to any number of items. Fun Fact: The equation 2+2=4 is believed to have been used in ancient Babylonian mathematics, which was developed around 3000 B.C.!