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Place Value
Term | Definition |
---|---|
Place value | The position of a digit in a number that tells the value of the digit. |
Millions | The place value to the left of the thousands period. |
Expanded Form | A number written as the sum of the values of its digits. Example 100+20+4=124 |
Rounding | A process that determines which multiple of 10, 100, 1,000, and so on, a number is closest to. |
Variable | A letter that represents a number. |
Inverse operations | operations that undo each other. Example addition and subtraction. |
Expression | Contains numbers and at least one operation. Example 6 x 4 |
Equation | A number sentence with an EQUAL sign. |