NUMBERS

123456
Across
  1. 3. one plus four
  2. 4. one plus one
  3. 5. five plus three
  4. 6. four plus three
Down
  1. 1. two plus one
  2. 2. six plus three
  3. 3. two plus two
  4. 4. five plus five
  5. 6. two plus four