Page 76 - Arithmetic
P. 76

FOR ONLINE USE ONLY
                                                 DO NOT DUPLICATE



                 Adding numbers vertically without regrouping

         FOR ONLINE USE ONLY
                    Example
                                       43

                                      21
                                    +



                    Solution
                                  Add the ones               Add the tens

                                    4  3                                  4 3

                                    +
                                                                          +
                                      2 1                                  2 1
                                          4                                   6 4


                                              The answer is  64



                   Exercise 3



                  Add the following numbers vertically.


                  1.      1 7      4.      7 0    7.       8 0   10.     1 3
                        +
                                                                                   +
                                            +
                                                                 +
                           6 2                 2 5                  1 4            1 5



                  2.       3 3     5.      9 0     8.      7 7   11.     2 1
                        +
                                                                                   +
                                                                +
                                            +
                           3 3              8                         2            4 6



                  3.       8 7     6.       1 6    9.      8 6   12.      4 4
                        +
                                                                                    +
                                                                 +
                                             +
                           1 2              5 0             1 1             2 2



                                                       69
                                     PROPERTY OF UNITED REPUBLIC OF TANZANIA GOVERNMENT
                                           Ministry of Education, Science and Technology
       Mathematics STD 1.indd   69                                                            03/08/2019   11:17
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