Topic outline

    • Addition of 3 Digit Numbers (Without Carry Over)

      Add 234 and 321

      Step1. Place the number one below the other.

       

      H

      T

      O

       

      2

      3

      4

        +

      3

      2

      1

       

       

       

       

      Step2. Add the ones

       

      H

      T

      O

       

      2

      3

      4

        +

      3

      2

      1

       

       

       

      5

                     4 ones and 1 ones make 5 ones

      Step3. Add the tens

       

      H

      T

      O

       

      2

      3

      4

        +

      3

      2

      1

       

       

      5

      5

                     3 tens and 2 tens make 5 tens



      Step4. Add the hundreds

       

      H

      T

      O

       

      2

      3

      4

        +

      3

      2

      1

       

      5

      5

      5

         2 hundreds and 3 hundreds make 5 hundreds