Across
- 3. the opposite of subtraction
- 4. a number used to multiply a variable
- 9. addition and subtraction
- 10. the opposite of addition
- 12. two things are equal
- 13. 2L+2W
- 14. a set of values that make a statement true
- 17. a diagram of values
- 18. a fixed value
- 19. length x width
- 20. to make simpler
Down
- 1. a symbol for a number we don't know yet
- 2. the opposite of division
- 5. two values are not equal
- 6. to replace another number
- 7. a(b + c) = ab + ac
- 8. to calculate the value
- 11. the opposite of multiplication
- 15. separating the variable
- 16. the answer