7, 8 Addition (2nd Set)

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