Across
- 1. rules for solving mathematical problems
- 4. has numbers and operations
- 8. has numbers, operations, and variables
- 9. a set of whole numbers and their opposites
- 10. substitute a number for the variable and solve
- 11. distance from zero
- 12. a number that is multiplied by a variable
Down
- 2. a number that is the same distance as another number from zero
- 3. a number that cannot change
- 5. a number that can be written as a fraction
- 6. separated by plus, minus, and equal signs
- 7. a letter that represents a number