| A | B |
| addends | numbers added together |
| difference | the result (answer) when one number is subtracted from another |
| factors | numbers that are multiplied together |
| operation | addition, subtraction, multiplication, or division |
| product | the result (answer) when two or more factors are multiplied |
| quotient | the result (answer) when one number is divided by another |
| dividend | the number that is being divided |
| divisor | the number you are dividing by |
| sum | the result (answer) when addends are added together |
| estimate | n. an answer that is close to the exact answer and is found by rounding or other methods; v. to find an answer close to the exact answer by rounding or other methods |
| expanded form | a number written as the sum of the values of its digits (700+20+3) |
| word form | a number written without using numbers (seven hundred-twenty-three) |
| standard form | a number written using digits (723) |