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For this lesson, we'll be working with easy
numbers just to get you used to how this stuff works.
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:
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