Math

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Across
  1. 5. full name of math
  2. 9. lower part of a fraction
  3. 10. keep handy
  4. 12. (what are these?)
Down
  1. 1. opposite to division
  2. 2. opposite to addition
  3. 3. order of operations
  4. 4. opposite to subtraction
  5. 6. also known as powers
  6. 7. upper part of a fraction
  7. 8. opposite to multiplication
  8. 11. what you should use for math