Page 21 - 新思维数学活动用书6 样章
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2    Numbers and  sequences



           2    Felipe counts on in steps of 0.3 starting at 4.
                 Write the first five terms of Felipe’s sequence.


                             ,           ,            ,            ,



           3    Write the next two terms in each sequence.

                 a   1.4,    1.5,    1.6,    1.7,        ,


                                1
                                            1
                 b   1 ,     1,     1 ,      2,     2 ,    ,
                     2          2           2
                 c   0,    –0.3,    –0.6,    –0.9,    –1.2,      ,


           4    a    Find the position-to-term rule for the numbers in this table.


                         Position          Term

                            1                 9

                            2               18

                            3               27

                            4               36






                 b  What is the 10th term of the sequence 9, 18, 27, …?
































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