This printable bingo card set on the topic of Arithmetic & Numbers has 18 unique items on a 4x4 grid. Each card draws from a pool of 18 items, so every player gets a different card.
1+1
2+1
3+1
4+1
2+2
2+3
2+4
3+3
4+4
4+5
5+5
4+2
5+6
5+7
6+6
7+7
7+8
7+4