Page 18 - steps 3b.pdf
P. 18

DRM 16

      ~ Addition (1)  II  II  II  II  II  II  II  II  3b:6

                                                                                                                e

                                           Use  base  10  materials
                                           to  help  you find  the answers.






                       IIIIII~                                                                        I




                       11111

              260                                                       Remember to exchange 10 ten$

          + '50                                                                 for a hundred.

              110  (60+ 50)                                               1111111111 ~
             300  (2.00 + 100)


              LtJO



          OJ   Find  the totals for these additions.



               a  1 qO  + 30 =                               b  80 +  160 =


               c  160 +  180 =                               d  270 + 270 =



               e  170 +  170 =                               f  150 +  150 =



               9  240 +  120 =                               h  120 + 2QO =


                  320 + QO  =                                j  440 +  110 =






         ~ Choose 2  numbers from this shape which add to make 530.



               ~_I  + ,--I _ I = 530                                   260
                                                                                          130

                                                                                 450







        Name                                                 Adding pairs of two- and three-digit numbers with
                                                             exchange of tens to hundreds.
        Date                                                 Materials: base 1 0 materials


      © HarperCollinsPublishers Ltd 1997 STEPS 3b Differentiation Pack
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