numbers

1234567
Across
  1. 1. four plus two
  2. 2. two plus three
  3. 3. two plus one
  4. 4. 1
  5. 7. seven plus three
Down
  1. 1. four plus three
  2. 2. two plus two
  3. 3. one plus one
  4. 5. five plus three
  5. 6. six plus four