Basic HTML Version

|  | Table of Contents |  | View Full Version

Page 102 - Math_Genius_V1.0_C2_Flipbook
P. 102

    E:\Working\Focus_Learning\Math_Genius_2_(09-10-2023)\Open_Files\Chap_05
                   \ 16-Feb-2024  Bharat Arora   Proof-6                                    Reader’s Sign _______________________ Date __________

                  To find the double, we add the number twice or multiply by 2.
                  examples:                                                                   Remember

                  (a)  Double of 3 = 3 + 3 = 6 or 3 × 2 = 6                         Any number multiplied by:

                  (b)  Double of 4 = 4 + 4 = 8 or 4 × 2 = 8                         l   0 is equal to 0.
                                                                                    l   1 is equal to the number itself.
                  (c)  Double of 5 = 5 + 5 = 10 or 5 × 2 = 10                       l   2 is equal to double the number.

                       activity

                    Make a 3 × 4 grid for playing ‘Bingo’.
                    Fill the boxes of the grid with any 12 numbers taking from         ×    1    2    3    4    5    6
                    the given chart.                                                   1    1    2    3    4    5    6
                    Numbers can be repeated.                                           2    2    4    6    8    10 12
                    Let one child throw a pair of dice and say the                     3    3    6    9    12 15 18
                    product of the number of dots appearing                            4    4    8    12 16 20 24
                    on the dice. Other children will cross the                         5    5    10 15 20 25 30

                    number on their grid. Continue this till the                       6    6    12 18 24 30 36
                    child crosses all the numbers.
                    The child who crosses out all the numbers will say aloud Bingo!

                           Practice Time 5C

                  1.  fill in the boxes.

                       (a)  1 × 2 =                     (b)  1 × 5 =                   (c)  5 × 1 =

                       (d)  1 × 8 =                     (e)  9 × 0 =                   (f)  7 × 1 =

                       (g)  1 × 1 =                     (h)  0 × 3 =                   (i)  3 × 2 =

                  2.  fill the missing numbers.

                       (a)  3 × 4 = 4 ×                 (b)  5 × 6 = 6 ×               (c)  2 × 5 = 5 ×

                       (d)  4 × 5 = 5 ×                 (e)  3 × 7 =          × 3      (f)  2 × 6 =           × 2

                       (g)  2 × 8 =           × 2       (h)  7 × 4 =          × 7      (i)          × 5 = 5 × 8

                  3.  find the double of the following. One has been done for you.

                       (a)  Double of 7 = 7 × 2      =  14               (b)  Double of 6 = 6 × 2 =

                       (c)  Double of 8 = 8 × 2      =                   (d)  Double of 9 = 9 × 2 =

                       (e)  Double of 10 = 10 × 2 =                      (f)  Double of 1 = 1 × 2 =

                 100                                                                                     Mathematics-2

| 97 98 99 100 101 102 103 104 105 106 107 |