2 Digit Addition Without Regrouping

The addition in math is adding up the numbers or amounts together, and calculate their total. It is a process of finding up the sum or total of two and more numbers.  In elementary math addition, addition is an arithmetic operation which is the inverse of subtraction, where it can start with this 2 digit addition without regrouping.   2 Digit Addition Without Regrouping   15 + 3 = 18 72 + 1 = 73

23 + 5 = 28_     32 + 3 = 35 65 + 4 = 69 36 + 1 = 37     22 + 3 = 25 42 + 7 = 49 41 + 7 = 48     40 + 7 = 47 53 + 5 = 58 40 + 8 = 48     21 + 4 = 25 55 + 4 = 59   Question for: 2 Digit Addition Without Regrouping