What is another word for addend?
Pronunciation: [ɐdˈɛnd] (IPA) 
Addend refers to a number that is added to another in a mathematical equation. Synonyms for addend may include terms like summand, augment, plus, and supplement. In arithmetic, addends are amounts that are added together to obtain the total number or sum. Other synonymous expressions for addend include augmentation, increase, extension, and addition. These terms are usually interchangeable and are often used in sentence structures like "the addend of 2 plus 3 is 5.". In summary, the word addend is synonymous with other mathematical terms that all point to the idea of adding numbers together to obtain a sum.
