Across
- 2. The opposite of multiplication
- 6. The opposite of division
- 9. A mathematical statement showing two things are equal
- 10. The operation that undoes another
Down
- 1. The opposite of subtraction
- 3. A letter that represents an unknown number
- 4. What both sides of an equation must stay
- 5. What you do to check your answer
- 7. The opposite of addition
- 8. What you do to find the value of the variable