Numbers 11-20

12345678
Across
  1. 2. 11+9=
  2. 5. 19-4=
  3. 6. 10+4=
  4. 7. 17-8=
  5. 8. 20-3=
Down
  1. 1. 11+5=
  2. 2. 18-6=
  3. 3. 13-0=
  4. 4. 15+4=