| Question | Answer |
| Addends | Numbers that are combined in the addition process. Example: 8 + 9 = 17, in which 8 and 9 are the addends. |
| Decimal point | Center of the decimal system—located between units and tenths. Numbers to left are whole numbers; to the right are decimal numbers. |
| Decimal System | The U.S. base 10 numbering system that uses the 10 single-digit numbers shown on a calculator. |
| Difference | The resulting answer from a subtraction problem. Example: Minuend less subtrahend equals difference. 215 − 15 = 200. |
| Dividend | Number in the division process that is being divided by another. Example: 15 ÷ 5, in which 15 is the dividend. |
| Divisor | Number in the division process that is dividing into another. Example: 15 ÷ 5, in which 5 is the divisor. |
| Minuend | In a subtraction problem, the larger number from which another is subtracted. Example: 50 – 40 = 10. 50 is the minuend |
| Multiplicand | The first or top number being multiplied in a multiplication problem. Example: 50 x 10 =500 50 is the multiplicand |
| Multiplier | The second or bottom number doing the multiplication in a problem. Example: 10 x 15=150 15 is the multiplier |
| Partial products | Numbers between multiplier and product. |
| Partial quotient | Occurs when divisor doesn’t divide evenly into the dividend. Example: 169/7= 24 R1, where 24 is the partial quotient. |
| Product | Answer to a multiplication process. Example: 25 x 4=100, where 100 is the product. |
| Quotient | The answer to a division problem. Example: 100/4=25, where 25 is the quotient. |
| Remainder | Leftover amount in division. Example: 11/2= 5 R1. 1 is the remainder. |
| Rounding all the way | Process to estimate actual answer. When rounding all the way, only one nonzero digit is left. Rounding all the way gives the least degree of accuracy. Example: 1,251 to 1,000; 2,995 to 3,000. |
| Subtrahend | In a subtraction problem, smaller number that is being subtracted from another. Example: 30 in 150 − 30 = 120 |
| Sum | Total in the adding process. Example: 5 in 3+2=5 |
| Whole Number | Number that is 0 or larger and doesn’t contain a decimal or fraction, such as 10, 55, or 92. |
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