Page 76 - SK Year 5 Mathematics DLP
P. 76

1       1
                 5  Multiply   by 1  .
                              3       4
                     1     1
                    3  × 1   =
                           4
                     Method 1

                                            1
                                            3




                              1               1    4     4      1    1    1          5
                             1                  ×   =           ×   =
                              4               3    4    12     3     4    12         12


                     Method 2        1     1    1   5
                                                3
                                                    4
                                     3  × 1   =   ×
                                           4
                                                5
                                             =
                                                12
                       1     1     5
                             4
                       3  × 1   =   12




                                            7       4                 5      6
                 6  Find the product of 3   and   .               7  1   × 3   =
                                            8       9                 6      7
                      7    4
                     3   ×   =                                        5      6    11    27
                      8    9                                         1   × 3   =     ×
                                      1                               6      7    6     7
                      7    4    31    4                                          297
                     3   ×   =      ×                                          =
                      8    9    8     9                                           42
                                 2
                                31    1                                        = 7   3 ÷ 3
                             =      ×                                               42 ÷ 3
                                2     9       0 1
                                                                                    1
                                31       18 3 1                                =     7
                             =                                                     14
                                18          − 0
                                 13           3 1                     5      6       1
                             =     1                                 1   × 3   =  7
                                 18         − 1 8                     6      7      14
                                              1 3
                       7   4       13
                     3   ×   =  1
                       8   9       18




             68
                               2.1.1  • Emphasise that the final answer must be stated in the simplest form.
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