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