Числа, которые нужно сложить, назыв

Числа, которые нужно сложить, называются слагаемыми, а результат сложения, т.е. число, получающееся от сложения, называется суммой.

Результаты (английский) 1:

The number that you want to add are called constituents, and the result, i.e. the number resulting from the addition, called sum.

Результаты (английский) 2:

The numbers that need to be folded, are called terms, and the addition result, ie, number resulting from the addition, called the sum.

Результаты (английский) 3:

The number of which you want to fold, are referred to as ingredients, as well the result of the addition, i.e. , the number of, the resulting from adding, is known as the sum.