Addition crossword: Complete the crossword given below and writing the sum in word form.

12345678910
Across
  1. 3. 9+4=
  2. 7. 2+5=
  3. 8. 70+20=
  4. 9. 9+2=
  5. 10. 5+3=
Down
  1. 1. 20+20=
  2. 2. 10+8=
  3. 4. 18+5=
  4. 5. 14+5=
  5. 6. 8+4=