Across
- 1. idenitiy any number a, the product of a and 1 is a.
- 4. value a real number reagardless of its sign
- 5. identity When you add a number and 0, the sum equals the original number
- 7. terms are terms that contian the same variables
- 8. numbers that are the same distance from zero on the number line but in opposite directions.
- 11. of operations Add and subtract in order from left to right.
Down
- 2. A coefficient is a number that multiplies a variable.
- 3. expression-is a mathematical phrase that uses variables, numbers, and operation symbols.
- 6. a term that has no variable.
- 9. the whole numbers and their opposites.
- 10. a word or expression