Math Vocabulary

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Across
  1. 4. opposite of more
  2. 6. this sign +
  3. 7. take away sign
  4. 8. opposite of less
  5. 9. something sweet to eat
Down
  1. 1. opposite operation
  2. 2. inverse operation
  3. 3. another word for plus
  4. 5. this sign on math -
  5. 7. total of something