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2. Decimal Operation
| Question | Answer |
|---|---|
| Commutative Property | The order of addends can be changed and the sum remains the same. |
| Associative Property | Addends can be regouped and the sum remains the same. |
| compatible numbers | Numbers which are easy to compute with mentally, |
| compensation | Adjusting one number of an operation to make computation easier and balancing the adjustment by changing the other number. |
| rounding | A process that tells which multiple of 10, 100, 1,00 etc...a number is closest to. |
| exponent | A number that tells how many times the base is used as a factor. |
| decimal | A number with one or more digit to the right of the decimal point. |
| decimal place | The position of a digit to the right of a decimal point. |
| standard algorithm | Specific method to solve a mathematical problem. |
| sum | The number that is the result of adding two or more addends. |
| difference | The number that results from subtracting one number from another. |
| product | The number that is the result of multiplying two or more factors. |
| factors | Numbers that are multiplied to get a product. |
| Distributive Property | Multiplying a sum (or difference) by a number is the same as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the product. |
| multiple | The product of a given whole number and any other whole number. |
| exponential notation | A way to write a number using a base and an exponent |
| base | The number that is multiplied by itself when raised to a power. |
| standard form | A common way of writing a number with commas separating groups of three digits starting from the right. |
| expanded form | A way of writing numbers involving exponents that shows the base as a factor. |
| squared | A name for a number to the second power. |
| cubed | A name for a number to the third power. |
| power | A number that tells how many times the base is used as a factor. |