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EXERCISE 1.1


              1.  Complete the following.

                   (a)  1001, 1002, 1003,                  ,             ,             ,

                   (b)  2380, 2381, 2382,                  ,             ,             ,


                   (c)  7056, 7057, 7058,                  ,             ,             ,


                   (d)  9234, 9235, 9236,                  ,             ,             ,

                   (e)  8996, 8997, 8998,                  ,             ,             ,

              2.  Observe the pictorial blocks and write the number they represent.




                   (a)               +                                  +             +          =  ________












                   (b)                             +                       +         +        =  ________






















                   (c)                            +                       +               +       =  ________
















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