Decomposing 2 digit addition

34 + 52. First, break the numbers into their. values of tens and ones 34 + 52 First, break the numbers into their values of tens and ones. This is called expanded notation. 34= 30 + 4 52= 50 + 2

34 + 52 Next, add the tens. Then, add the ones. 30 + 4 50 + 2 80 + 6

34 + 52. Once you have the sums of the 34 + 52 . Once you have the sums of the tens and ones places you can write the standard form of the number. 30 + 4 50 + 2 80 + 6 = 86

This is how the problem may look when written by your child:. 34