Page 15 - TP-Play_V-2.0_Book-8
P. 15

F.  Solve the crossword by filling it with equivalent decimal numbers or binary numbers.
                                                                               1
               Down
                 1.  (10101)                                          3
                           2
                                                2                     1        1
                 3.  (1111011)
                             2
                                                                               5
                 5.  (361)
                        10
                                                                  4   3        1
                 7.  (6)
                      10
                                                                                                    7
               Across
                                                                           6   1
                 2.  (101)
                        10
                                                                           8   1                    1
                 4.  (100101101)
                               2
                 6.  (1100)
                         2
                                                                       9
                 8.  (165)
                        10
                 9.  (1010001)
                             2
                                                                      10       0
               10.  (1101010)
                             2
                                                                                         21 st
            G.  Competency-based/Application-based question:                          Century   #Experiential Learning
                                                                                        Skills
                 Prashant noticed the given numbers while working, (256)  and (2AF) . Which number system do they
                                                                      8          16
               belong to? How can he tell?
               ...........................................................................................................................................................................................................

                                                                                         21 st   #Interdisciplinary
                                                                                       Century
                                                                                        Skills  #Information Literacy
                                                   In the lab


               Solve the following:
               1.  Convert (10111.011)  into its decimal equivalent.
                                     2
               2.  Subtract (1101)  from (100110) .
                                 2              2
               3.  Add the following binary numbers.
                  a.  (1000)  and (101)            b.  (1011)  and (101)       c.  (1001)  and (101)
                           2         2                     2          2                 2          2
                  d.  (1111)  and (1111)           e.  (11001)  and (10101)
                           2          2                      2           2
               4.  Convert the following decimal numbers into binary.
                  a.  (19)                         b.  (98)                    c.  (75)
                        10                               10                           10
                  d.  (37)                         e.  (54)
                        10                               10



             Teacher's Corner

            1.  Talk to the students about the importance of number systems and their use in computers.
            2.   Do  a  detailed  walk-through  of  the  decimal  and  binary  number  systems  and  their  different  operations  in  a
              mathematically rigorous manner.
            3.  Give a brief on the octal and hexadecimal number systems.

                                                                                       Number System         15
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