Devina's crossword puzzle

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Across
  1. 1. seven into twelve
  2. 2. seven thousand plus ten units
  3. 4. five tens plus twenty tens
  4. 5. four tens plus five tens
  5. 6. thirteen into eight
  6. 7. thirteen into seven
  7. 8. six tens plus two units
Down
  1. 1. four hundred one into two
  2. 3. five thousand plus three tens
  3. 5. two hundred thirty five into four
  4. 6. thirteen into nine