Page 98 - New Medley 1 Semester 2
P. 98

8    5               7    2               5    7              7     9              9    4

                       –  6  2              –  5  2              –  4  2             –  2  3              –  4  0




                            2    9               8    5               9    7              9     6              9    9

                       –  1  7              –  4  2              –  7  6             –  8  0              –  9  3





                                Subtracting Ones (Preparing to Borrow)



                A.  Subtract:

                      1.  13 – 6 = ?


                          =  1  ten +  3  ones –  6  ones


                          =  10  ones +  3  ones –  6  ones

                          =  13  ones –  6  ones =  7  ones


                          So: 13 – 6 = 7


                      2.  14 – 8 = ?

                          =           ten +            ones –              ones


                          =           ones +             ones –              ones


                          =           ones –             ones =              ones

                          So: 14 – 8 =


                      3.  16 – 8 = ?

                          =           ten +            ones –              ones


                          =           ones +             ones –              ones


                          =           ones –             ones =              ones

                          So: 16 – 8 =



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