This printable bingo card set on the topic of Algebra has 50 unique items on a 5x5 grid with a free space in the center. Each card draws from a pool of 50 items, so every player gets a different card.
X-8
x+1
X-3
X-1
X-35
X-15
x+5
X+7
X+3
X+2
X+17
X+13
X-2
X+14
X-5
X+4
X+10
x-25
X-20
X-19
X-4
X-18
x+6
x+16
X+60
X-6
X+30
X-10
X-7
X+12
X+25
X+9
X+35
X-17
X-9
X+11
X+15
X+8
x+20
X-40
X-12
x+18
X+40
X-14
X-11
X+50
X+33
X-13
X+19
X-16