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SAI International School
                                                  Sub – Mathematics
                                                        Class - IV
                                                    Topic – Patterns
            Sub-topic 2: - Coding & Decoding

            Introduction:

























             Coding:

             B          E         A          U          T         I          F          U          L
             2          5         1          21         20        9          6          21         12

             P               L               A               Y               E               R

             16              12              1               25              5               18

            Decoding:

             9         12  15  22  5           13  25        3    15  21  14  20  18  25

             I         L   O    V    E         M  Y          C    O    U    N   T    R    Y

             19        1        22        5                  20        9        8         5         18

             S         A        V         E                  T         I        G         E         R
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