Across
- 3. numbers, numbers that can be expressed in the form a/b where a and b are integers and b=0
- 4. a number variable or the product of a number and a variable
- 7. the numerical factor when a term has a variable
- 9. 2 numbers that are the same distance from 0 on a number line but are in opposite directions
- 12. numbers, the set of numbers 1 2 3 4 also called counting numbers
- 14. the number or expression that is used as a factor in a repeated multiplication
- 15. a mathematical sentence with n equal sign
- 16. a mathematical notation indicating the number of times a quantity is multiplied by itself
- 18. value, the distance that a number is from zero on the number line
- 19. a mathematical phrase that contains operations numbers and/or variables
Down
- 1. substituting a given number for each variable
- 2. a symbol like x or y that is used in mathematical or logical expressions to represent a variable quantity
- 3. whole numbers and their opposites
- 5. two numbers whose product is 1
- 6. numbers, the set of numbers that includes rational and irrational numbers
- 8. a quantity that does not vary
- 10. opposite of adding
- 11. a number that has no factor but 1 ad itself
- 13. terms, terms with exactly the same variable factors in a variable expression
- 17. number, the set of numbers 0 1 2 3 4
- 20. to write an expression in a simpler form