Across
- 1. Continuous line forming the boundary of a closed shape
- 4. (0,0)
- 8. Amount of surface
- 9. change the position the numbers when adding or multiplying any two numbers
- 10. Changing the sign of the number and adding it to the original number to get 0
- 11. A number by itself
- 15. when we multiply the same real number on both the sides of an equation
- 16. The location on a grid
Down
- 2. An ending number
- 3. a number which when multiplied by x yields the multiplicative identity 1
- 5. The answer to a multiplication problem
- 6. Repeating decimal
- 7. The answer to a addition problem
- 11. The number in front of a variable
- 12. Part of an equation
- 13. 1 of the coordinate plains
- 14. when the same quantity is added to both sides of an equation