Across
- 2. 3+7=7+3
- 3. cannot be expressed in the form a/b
- 4. a mathematical phrase that included numbers variables and operational symbols
- 8. distance from zero on a number line
- 9. has two parts a base and an exponent
- 10. same as multiplicative inverse
- 11. 0,1,2,3...
- 12. opposite of a number
- 15. two numbers that are the same distance from zero on a number line but lie in opposite directions
- 17. tells how many times a number is used as a factor
- 18. is an equation that contains one or more variables
- 19. the number in a power
- 20. a symbol that represents one or more numbers
Down
- 1. a/b is b/a
- 5. a mathematical sentence that uses an equal sign
- 6. order in witch you solve a mathematical sentence
- 7. any number that you can write in the form a/b
- 13. a mathematical sentence that compares the values of two expressions using an inequality symbol
- 14. 1,2,3...
- 16. -2,-1,0,1,2