Across
- 3. the number resulting from addition
- 4. inverse operation for addition
- 6. how many things in a set
- 8. set of all elements that are from 2 or more sets
- 10. exactly 2 factors, the number itself and one
- 12. singular, characters used to represent numbers
- 14. if every member of set A is assigned to a unique member of set B and every member of set B is used
- 15. include whole numbers and their opposites
- 19. when there is a 1-1 correspondence between the elements of both sets
- 21. a number that divides another number evenly
- 23. common members between 2 sets
- 24. the number resulting from multiplication
- 25. sequence set of digits used to identify something such as a phone number
- 26. repeated addition
- 28. the universe is a rectangle and closed loops inside the universe correspond to sets
- 29. set that has no element
- 31. limitless
- 33. all the members of the universe not in set A
- 34. set of options allowed to use
- 36. the number resulting from subtraction
- 37. no common members in 2 or more sets
- 38. include positive integers without 0
- 39. the distance from zero to a number
Down
- 1. if a and b are any two whole numbers, then a+b=b+a
- 2. describes where an object is in a sequence
- 5. has a limit, the number ends
- 7. product result of one number multiplied by another
- 9. an operation in which two whole numbers are combined to form another whole number
- 11. If a is any whole number, then a+0=0+a=a
- 13. amount left over after division
- 16. includes integers, fractions with integer numerators and denominators, and decimals that terminate or repeat
- 17. if a,b,c are any three whole numbers, then a+(b+c)=(a+b)+c
- 18. counting numbers
- 20. non-terminating and non-repeating decimals
- 22. has more than 2 factors
- 27. repeated subtraction
- 30. number(s) from an existing set
- 32. a group of distinct objects
- 35. an object that belongs to a set