addend | A number added to one or more other numbers to form a sum. |
additive identity | The number 0 is called the additive identity because when you add it to a number, the result you get is the same number. For example, 4 + 0 = 4. |
identity property of 0 | When you add 0 to any number, the sum is the same as the original number. For example, 55 + 0 = 55. |
integers | The numbers …, -3, -2, -1, 0, 1, 2, 3… |
rational numbers | Numbers that can be written as the ratio of two integers, where the denominator is not zero. |