Math crossword

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Across
  1. 3. another words which means put together
  2. 5. another word which says give away
  3. 8. means to give in equal parts
Down
  1. 1. another way to say minus
  2. 2. another word for add
  3. 4. means to put together the same amount many times
  4. 6. means to add the same number many times
  5. 7. means to take away