Page 85 - Arithmetic
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                               Chapter Thirteen
         FOR ONLINE USE ONLY


                Subtracting numbers not exceeding
                Subtracting numbers not exceeding 99


              Numbers can be subtracted horizontally or vertically.



              Subtracting numbers horizontally without

              regrouping

                                              _
                   Example               83    21 = 62

                     Steps


                    1. Subtract the ones    2. Subtract the tens
                                                                    _
                             _
                         83    21 =            2               83    21 =         6   2


                                    The answer is 62


                 Exercise  1



                Answer the following questions written
                horizontally.


               1.  26       _     20 =                 9.   15       _       3 =

               2.  19       _     12 =                10. 49         _     24 =

               3.  44       _     11  =               11. 60         _     40 =
               4.  29       _     24 =                12. 87         _     15 =

               5.  95       _     5      =            13. 77         _       6 =

               6.  66       _     60 =                14. 83         _     70 =

               7.  64       _     24 =                15. 33         _     22 =

               8.  48       _     7      =            16. 68         _     21 =




                                                    78
                                     PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
                                           Ministry of Education, Science and Technology
       Mathematics STD 1.indd   78                                                            03/08/2019   11:18
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