Across
6. fifty more than fifty
7. five and five
8. one less than eighteen
11. nine doubled
14. five more than seventy-five
16. twenty doubled
17. two tens equals this
18. six doubled
19. one more than eighty-nine

Down
1. one less than twenty
2. one more than ten
3. ten plus three
4. seven doubled
5. two more than sixty-eight
9. one more than twenty-nine
10. one less than sixty-one
12. five and five and five
13. one more than fifteen
15. half of one hundred