Page 27 - SPARK OF MATH book(2)
P. 27

Adding numbers with regrouping.









            addend                37




            addend             + 56
                               _____
                                             +                          =                         =    93
            sum














                                First add the ones                        add the tens



                                ¹                                         ¹            1
                                37            7                           37           3
                             + 56          + 6                         + 56          +5
                             ___
                                           __
                                                                       _____

                                 3              13=10+3                               __
                                                                          93
                                                                                       9




                      Add.





                    2  9                2  7               6  8              5  5              3  6

                 + 5  2            + 4  5             + 0  6            + 3  5            + 4  4
                 _____             _____              _____             _____             _____














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