MATHEMATICS PUZZLE

12345678910
Across
  1. 1. ten add three
  2. 4. nine multoply two
  3. 7. eighty divide by two
  4. 8. thirty five multiply two
  5. 10. seventeen subtract one
Down
  1. 2. ten add ten
  2. 3. eleven add eight
  3. 5. six multiply five
  4. 6. five multiply three
  5. 9. four multiply three