Page 15 - steps 3b.pdf
P. 15

RM17


                Addition (1)                                                                           3b:6




             How many totals can you make?                                 An activity for 2 players


             You  need:  base  10  materials (10 squares,
             q  longs, q  ones);  shared  baseboard





             D  One  of you  chooses  a  number
                 from  box A,  the  other  chooses
                 one  from  box  B.

             D  You  each  put base  1 0  pieces  to
                 make your  number  on  the  top
                 2 rows  of the  baseboard.
                                                                     hundreds               tens       ones
             o  Write your  numbers  like  this:                                                      Gl  Gl
                                                                   14B>'                  ~
                                                                                                      Gl  Gl
                                                                                                      Gl
                                                                                                       Gl

                                                                                                            -
             D  Estimate  what your  total                                                             Gl
                 will  be.                                   ~                                         Gl

             D  Push  all  the  pieces  down                                                           Gl
                 to  the  bottom  row  of the                             ~
                 baseboard.

             D  Find  and  record  the  total.









             D  Choose  different pairs  of numbers  from  the  boxes
                 and  repeat the  activity.


























         © 1993 Collins Educational (an imprint of HarperCollinsPublishers) STEPS 3b
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