Across
- 1. a closed shape that is flat and has straight edges
- 3. a way to solve a problem
- 4. any of the symbols for 0-9
- 6. mathematical symbols that are used to solve a problem
- 8. the answer to an addition problem
- 9. writing a number using digits
- 10. the opposite
Down
- 1. the distance around a polygon
- 2. the answer to a subtraction problem
- 5. a number that is close to the exact answer
- 7. numbers that are added together