what is usaid

Wed, 29 Apr 2026 21:49:34 +0000

The plus sign (+) and the minus sign () are mathematical symbols used to denote positive and negative functions, respectively. In addition, the symbol + represents the operation of addition,. Everyone begins their mathematical journey with the four basic operations. The plus sign (+) for addition and minus sign () for subtraction are probably the first symbols you ever learned. Discover addition and the equals symbol with this interactive article for Year 2 from BBC Bitesize. Fun with Numbers: Do you know when and where do the Plus (+) and Minus (-) signs originated? Lets look at the amazing facts and history about numbers and symbols.