Addition RegroupingAddition An example of addition of twodigit number with regrouping is 27+46. There are many methods to solve such problems. You can chose whichever is most comfortable for you, or even invent your own. The most important thing is for the answer to be correct. Here we will discuss three different methods for the mental calculation of these problems. Method 1: This method has three steps. Practice 2: Practice 3: Practice 4: Solve Mentally (without using paper) Method 2: This method has three steps. Try these practice problems using Method 2; Practice 2: Practice 3: Practice 4: Solve mentally (without using paper) Method 3: This method has three steps Try these practice problems using Method 3; Practice 2: Practice 3: _____72 + 19_____ Practice 4:

