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Vocabulary Math 1-24
The math vocabulary words we were given to study for the second week.
| Question | Answer |
|---|---|
| Standard Notation | Just the number as we normally write it. |
| Expanded Notation | Writing a number to show the value of each digit.It is shown as a sum of each digit multiplied by its matching place value (units, tens, hundreds, etc.) |
| Exponential Notation | A shorthand way of representing repeated multiplication of the same factor. |
| Scientific Notation | Where a number is written in two parts:First: just the digits (with the decimal point placed after the first digit),Followed by: ×10 to a power that would put the decimal point back where it should be. |
| Prime Factorization | A number, expressed as a product of prime factors. For example, of 24 is 2 x 2 x 2 x 3. |
| Decimal | A fraction that has a denominator of a power of ten, the power depending on or deciding the decimal place. |
| Whole Numbers | The numbers {0, 1, 2, 3,…} There is no fractional or decimal part and no negatives. |
| Integer | A number with no fractional part. For example, -2, -1, 0, 1, 2 |
| Positive Number | Numbers greater than 0 that can be written as a fraction or a terminating or repeating decimal. |
| Negative Number | A number less than 0; a number to the left of zero on the horizontal number line. |
| Array | A rectangular arrangement of objects in rows and columns. |
| Equivalent | Equal in value but in different forms. |
| Greatest Common Factor (GCF) | (GCF) The highest number that divides exactly into two or more numbers. |
| Least Common Multiple (LCM) | The smallest number that is a multiple of two or more numbers. |
| Multiple | The result of multiplying by a whole number. For example 20 is a multiple of 4 and 5. |
| Exponent | A symbol or number placed above and after another symbol or number to denote the power to which the latter is to be raised. |
| Prime Number | This can be divided evenly only by 1 or itself. It must be greater than 1. |
| Composite Number | This can be divided evenly by numbers other than 1 or itself. It has more than 1 factor pair. |
| Factors | The numbers you multiply together to get another number. For example: 3 and 4 are factors of 12 because 3x4=12 |
| Estimate | A calculation of a close, rather than exact, answer; a “ballpark” answer; a number close to another number. |
| Front-End Estimation | Estimating to the highest place value. Ex. 7,438= 7,000 |
| Compatible Numbers | These are numbers close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally. |
| Round | This means reducing the digits in a number while trying to keep it's value similar. |
| Absolute Value | The absolute value of a positive number is the number itself. |
Created by:
awesomeasian3
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