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    E:\Working\Brother_Education\Foundational_Stage_Maths-2_(11-09-2024)\Open_Files\Chap_04
                   \ 02-Nov-2023  Bharat Arora   Proof-1                                    Reader’s Sign _______________________ Date __________

                                       Learning by Doing

                  Objective: To reinforce the concept of addition and subtraction

                  in a play way method.

                  Materials required: Few plastic bottles, wooden/
                  plastic rings, permanent marker, water/sand.

                  Preparation: With the help of a permanent
                  marker, write numbers on some plastic bottles.

                  Fill the bottles with water/sand so that they

                  remain upright. Refer to the image given.
                  Procedure:                                                        5   10   25     5

                          The class will be divided into two teams.

                          The teacher will call out a specific number (the target) and each team will be

                          given 4 wooden/plastic rings.
                          The team members will take the rings one by one and try to ring bottles so

                          that their total adds to the target called out by the teacher.

                         For example, if the target is 35, the bottles that are ringed can be
                                 25 + 10 or 25 + 5 + 5.

                         The team whose total is more or less than the target, will calculate how much

                          more or less they have achieved.
                          The team that achieves the target in lesser tries will gain a point.

                          The game will be continued and the team with a greater score will be the

                          winner.

                         Mental Maths

                    1.  Raghav’s sister is a decade older than him. If Raghav’s age is 15 years, how
                        old is his sister? (1 decade = 10 years)
                    2.  Find the missing numbers.
                           (a)   H    t    O    (b)      H    t    O    (c)      H    t    O    (d)      H    t    O

                                      5    3                       3             3    5    2                  3    0
                             +             7         –        5    9         +   1    9               –  2         8

                                      4    0             3    2    4             5         0             6    4    2

                  Mathematics-2                                                                                          87

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