9's Addition (Mixed)

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. 9+7=
2. 9+9=
3. 9+0=
4. 3+9=
5. 9+1=
6. 2+9=
7. 4+9=
8. 5+9=
9. 9+6=
10. 8+9=