Double Digit Subtraction Strategies
It's not just "borrowing" any more...
These are the different ways we've been learning to subtract.
Subtract the 10's Draw the tens and ones.
Subtract part of the ones If you don't have enough ones
to get to a friendly # then break a ten apart and move
Subtract the other part of the ones. it to the ones side.
Hundreds Chart or Number Line Regroup
Count Forward on a Number Line