Across
- 5. order changes ex) 2x + 4 = 4 + 2x
- 6. any algebraic expression
- 8. you get what you started with (mirror image)
- 9. monomials separated by plus or minus signs
Down
- 1. expression with 1 term: ex) 2x
- 2. parentheses change their location ex) 2+(4+5)=(5+4)+5
- 3. the only property that has multiplication and addition in the same example; ex) 4(2x+1)= 8x+4
- 4. expression with 2 terms: ex) 3x+5
- 7. cancels out ex) 2 + -2= 0