Subtract by breaking apart ones.
Elizabeth is subtracting 27 from 53.
She breaks apart 27 so she can take away in three easy steps.
First, she took away the tens. What number did she get?
Then, she took away the ones. Help her finish the calculation.
What is ?
We can break apart numbers to subtract as shown.
First, subtract to get 60. How many ones do we take away?
Now, subtract the rest of the ones. What is ?