Math (do you know it)

123456789101112
Across
  1. 2. The way to find how big a 3D shape is
  2. 6. 37 minus 10 plus 5 divided by 32
  3. 9. The answer to addition
  4. 10. 100 minus 47 plus 2 divided by 5 plus 5
  5. 11. 12 plus 207 minus 67 divided by 2 minus 36
  6. 12. How to figure out a math problem (example: 12+(36x8)-24
Down
  1. 1. The answer to subtraction
  2. 3. The answer to division
  3. 4. The distance around an object
  4. 5. The answer to multiplication
  5. 7. Five hundred divide by 10
  6. 8. The way to figure out how big a 2D shape is