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•                                                    •  Common multiples .  •  I calculator, RM16  I
          8


                                                                                           W  Mark the numbers on the 100 square on RM 16 like this.
                                                                                               a  Put a  X  over the multiples of 2.  ,.----,;,---,--""'"""""'"..------.;:---;rr
                                                                                               b  Put a  0  over the multiples of 4.
                                      OJ   Think of the best way you can                       c  Put a  + over the multiples of 8.   11       OJ
                                          to find and show the answers to these.
                                                                                                                      21
                                                                                                                                               Practical: marking
                                                                                                                                               multiples on  the  100-
                                                                                               The numbers marked like this ~ are multiples of 2 and 4.
                                                                                                                                               square.
                                                                                               In your book, describe the numoers marked like this:
                                                                                               a ~
                                                                                                                                               a  multiples of 2
                                                                                               Write the number which is the
                                                                                                                                               b  multiples of 2, 4
                                                                                               a  2nd multiple of 8   b  4th multiple of 4   c  8th multiple of 2
                                                                                                                                                  and 8
                                                                                               d  3rd multiple of 8   e  6th multiple of 4   f  12th multiple of 2.
                                                                                                                                               c  odd numbers
                                                                                           GJ   a  Li~t the numbers marked in this way: ~
                                                                                               b
                                                                                                                                               a  16        b  16
                                                                                                                                               c  16        d  24
                                                                                                                                               e  24        f  24
                                                                                               - -                 -
                                                                                           @]   Using only these numbers
                                                                                               make as many x and.;. sentences as you can .


                                                                                           I STEes 40:31  - -                                  a  8,16,24,32,40,48,
                                                                                                                                                  56, 64,72, 80, 88, q6

                                   OJ                                                        b  Any six of:

                                   a  4,8,12,16,20,24,28,32,36,40
                                                                                              8          16           24          32           40
                                   b  8,16,24,32,40,48,56,64,72,80
                                   c  8,16,24,32,40,48,56,64,72,80
                                   d  8,16,24,32,40,48,56,64,72,80
                                                                                             56          64           72          80          88
                                   Challenge

                                   1,3,5,7, q,  11,  13, ... all odd numbers up to 7q.

                                                                                             Open: making x and + sentences such as 3 x 8 = 24 and 64 + 4 =  16
                                                                                             from the numbers 2, 4, 8,  16, 32, 64.
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