6's Addition

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. 6+0=
2. 6+1=
3. 6+2=
4. 6+3=
5. 6+4=
6. 6+5=
7. 6+6=
8. 6+7=
9. 6+8=
10. 6+9=