Page 9 - 新思维数学活动用书3 样章
P. 9

1   Numbers to 1000



             Worked example 1

             Draw beads on the abacus to show this 3-digit number.




                  2 0               3



                               6  0 0
                                                 100s 10s     1s


                                           Draw six beads on the 100s tower to

                                           represent 600.



               100s 10s     1s


                                           Draw two beads on the 10s tower to represent 20.






               100s 10s     1s


                                           Draw three beads on the 1s tower for 3.

                                           Together, the beads represent the 3-digit


                                 623       number 623.
               100s 10s     1s

































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