Page 1 - Lesson note 2
P. 1

SAI International School




                                                      MIND MAP


















                                              Subtraction



                   Properties of           Subtraction        Subtraction             Word
                    subtraction              without              with
                                            borrowing          borrowing           problems

                       .Property of zero
                                                 .Do in column
                          . Number                 method                                 .Read the question
                       subtracted from        .Write the numbers    .Subtract each            carefully.
                            itself             under correct place   column and borrow    .Find the indormative and
                                                                    from the next
                       .Change of order             value.        greater place value     question sentesce.
                          property             .Start subtracting    if necessary.      .Identify the operation.
                                              from the ones place.
                                                                                        .Frame the statements.
                                                                                        .calculate and find the
                                                                                              answer.
                                                                                      .Write the conclusion in full
                                                                                             sentence.
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