Page 22 - Math Skill - 5
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20                                                                                                  Maths








                                                     MIND MAP












                    Writing Numbers                Large Numbers                               Numeration




                      STANDARD FORM                                              INDIAN          INTERNATIONAL
          6583471      65,83,471                                             Ones             Ones
                                                                             Tens             Tens
                       WORDS FORM
          33,333     Thirty three thousand                                   Hundreds         Hundreds
                    three hundred thirty three                               Thousands        Thousands
                                                                             Ten thousands Ten thousands
                      EXPANDED FORM
          5672      5000 + 600 + 70 + 2                                      Lakhs            Hundred thousands
                                                                             Ten lakhs        Millions
                                                                             Crores           Ten millions
                                                                             Ten crores       Hundred millions

                                  Comparing Numbers






                                                                                           Value
                 ASCENDING ORDER
            From smallest to greatest
                e.g. 55, 101, 37, 12
                     12 > 37 > 55 > 101                                   PLACE VALUE                FACE VALUE
                                                                    e.g. place value of          e.g. face value of
                                                                           5 in 9576 is 500             7 in 6790 is 7
                                            DESCENDING ORDER
                                       From greatest to smallest
                                           e.g. 55, 101, 37, 12                        Relation

                                                 101 > 55 > 37 > 12
                                                                           Place Value = Face value × Position
                           Rememberable Points                                                   value of that digit

          �  1 lakh = 100 thousands     �  10 crores = 100 millions
          �  10 lakhs = 1 million       �  100 crores = 1 billion               Successor      Number + 1
          �  1 crore = 10 millions                                              Predecessor      Number – 1
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