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Let us now learn about number pyramid, number grid and decoding in this chapter.

            Number Pyramid

            In a number pyramid, the number in each space is the sum of the two numbers
            below it.

               Start with a circle, which has two filled adjoining circles below it.
              Here, blue circle is the sum of two green circles.

               Therefore, blue circle is 2 + 1 = 3.
                We can get the remaining numbers by following the same pattern.







                                         9



                                    5         4                          In a number pyramid, you add
                                                                         the numbers below to find the
                                                                         number above.
                               3         2        2



                           2        1         1        1






                   code Quest                                                    Critical Thinking



                 Help the boy reach the top of the pyramid by filling the missing spot.





















                                            5          6          9         17







                                                                                Reasoning and Analysis    37
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