Grade 2 Addition: 2-Digit + 2-Digit (No Regrouping)

Worked examples

Real problems from the practice worksheets, solved one step at a time.

1. Example 1

   76 + 13 = ?

   1. Break apart both numbers by place value.
   2. 76 = 70 + 6
   3. 13 = 10 + 3
   4. Add the tens: 70 + 10 = 80
   5. Add the ones: 6 + 3 = 9
   6. Combine: 80 + 9 = 89

   Answer: 89

2. Example 2

   66 + 21 = ?

   1. Break apart both numbers by place value.
   2. 66 = 60 + 6
   3. 21 = 20 + 1
   4. Add the tens: 60 + 20 = 80
   5. Add the ones: 6 + 1 = 7
   6. Combine: 80 + 7 = 87

   Answer: 87

3. Example 3

   70 + 12 = ?

   1. Break apart both numbers by place value.
   2. 70 = 70 + 0
   3. 12 = 10 + 2
   4. Add the tens: 70 + 10 = 80
   5. Add the ones: 0 + 2 = 2
   6. Combine: 80 + 2 = 82

   Answer: 82