We are Learning to Solve Addition and Subtraction Problems to 5

These are the addition problems we are learning:

1+4=5
4+1=5
2+3=5
3+2=5
5+0=5
0+5=5

These are the subtraction problems we are learning:

5-0=5
5-1=4
5-2=3
5-3=2
5-4=1
5-5=0

Can you see a pattern?