Сложение 11-20

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!
8+3=
6+6=
15-9=
7+7=
14-8=
9+3=
15-8=
7+8=
9+5=
16-8=
5+8=
17-8=
13-6=
13-9=