Page 12 - Mathematics
P. 12

Find 23 - 17.                                                                                                                    x          x
                                                                                                                                                              x



                                                     Tens                        Ones


                                                         1                          1
                                                          2  \                        3



                                            -              1                          7





                                                                                      6
                                                                                                                                                          x
                                                                                                                                                                x

                                                                                                                                                                x
                       Step 1                       Subtract the ones                                                                                     x


                                                    Regroup the tens



                       Step 2                       Subtract the tens







                       So, 23 – 17 =  ….
                                                          6
   7   8   9   10   11   12   13   14