We're going to work with everything stacked because this is what you'll always do with bigger numbers.
We're going to work backwards, just like we did with addition!
I'm going to have you subtract the ones first... then the tens. Like addition, you'll have to do it this way when the numbers get harder.
Let's jump in!
Stack them and line everything up:
Subtract down the stripes... Do the ones first, then the tens: