Page 58 - Spark of math 1
P. 58

Tens                      Ones                      Tens                      Ones











                       3 3               2 2  = = 32                                               = =



                                              thirty two


                     Tens                      Ones                      Tens                      Ones












                                                 = =                                               = =






                  We can use an abacus to show the numbers.




                    Tens           Ones              Tens           Ones              Tens            Ones























                                21

                           twenty one





              58
   53   54   55   56   57   58   59   60   61   62   63