Answer:
Breaking apart numbers can help the student to perform subtraction between the numbers.
Subtracting two digit number by breaking a second number into tens and ones.
Find the difference for
using the break apart.
Now, break 17 into 10 + 2 + 5
Subtract 10 from the original number (i.e 36) =

Next subtract 2 from the answer,

then, subtract 5 more,

Also, you can see the number line in the given figure as shown below.
So, 36 - 17 = 19