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    E:\Working\Focus_Learning\Math_Genius_1_(05-10-2023)\Open_Files\03_Chap_3\Chap_3
                   \ 11-Sep-2024  Bharat Arora   Proof-6                                    Reader’s Sign _______________________ Date __________

                            3                                       Addition up to 20

                   Learning Objectives

                                                                                                            Scan to learn
                   After studying this chapter, students will be able to...
                     (   understand what addition means
                     (   add numbers by counting forward and using number strip

                     (   know vertical addition                           (  add three numbers up to 20
                     (   explore properties of addition                   (  solving real life situations in addition

                                get ready!

                   Sneha is celebrating her birthday with her friends and family members.

                       Mom, there are 6 boys                                           Sometimes when we need to know
                      and 4 girls in the party.                                        how many things in all or how
                     How many pieces of cake                                           many in total, we do addition by
                     do I have to cut for them?                                        putting them together. It is done
                                                                                       by counting on.

                          1      2     3      4     5      6                  7      8     9     10
                                                                   and

                                        6 boys                     plus              4 girls            = 10 children
                   For combining the two numbers, we use the symbol “+” for addition. 6 + 4 = 10

                   Here, 10 is the sum of 6 and 4. It is read as ‘6 plus 4 is equal to (=) 10’.

                  Mathematics-1                                                                                          39

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