Page 181 - MathGenius-C1-Flipbook
P. 181

E:\Working\Orange_Education\Math_Genius_1\Open_Files\Answers
               \ 04-Oct-2025  Bharat arora   Proof-7                                    Reader’s Sign _______________________ Date __________





              Life Skills (Page 113)                                  2.       Repeated   Number of times  Multiplication  answer
                 1.  42 parents                                                addition      repeated     fact

                 3. Such  a group  is  used  to send  some important  messages  to parents
                   regarding school/class activities.                   (a) 2 + 2 + 2 + 2 + 2  5 times 2  5 × 2    10
              Practice time 7H                                          (b) 4 + 4 + 4 + 4 + 4  5 times 4  5 × 4    20
                 1.  27        2.  52      3.  54      4.  21           (c) 3 + 3 + 3 + 3 + 3 + 3  6 times 3  6 × 3  18
                 5.  21        6.  30                                   (d) 5 + 5 + 5 + 5 + 5 + 5  6 times 5  6 × 5  30
              Challenge Question (Page 115)
                 1.  65 buttons   2.  Yes                               (e) 6 + 6 + 6 + 6  4 times 6     4 × 6     24
              Maths Fun (Page 116)                                  think tank (Page 133)
                 1.  PEACOCK   2.   GANGA   3.  LION                  1.  16 people   2.  24 people   3.  45 passengers
              Chapter assessment                                    think tank (Page 136)
                 1.  (c)    2.  (a)
                 3.  (a)  27   (b)  12   (c)  39   (d)  51   (e)  98   (f)  50
                   (g)  97   (h)  32
                 4.  (a)  32 eggs  (b)  76 balls
              Mental Maths (Page 118)                               Practice time 9C
                 1.  53 + 6 = 59   2.  47 + 12 = 59                   1.  3    2.  2   3.   6   4.  4   5.  10   6.  10
                                                                      7.  2    8.  10   9.  2   10.  6   11.  5   12.  5
                            Chapter 8. Shapes and Patterns          Chapter assessment
              Get Ready!                                              1.  (a)       2.  (a)     3.  (b)
                 1.  Birds are flying, people are doing different tasks.   2.  3 people  4.  (a)  3 + 3 + 3 + 3 = 12     (b)  6 + 6 = 12
              Practice time 8a                                        5.       Number of     Objects in   total number of
                 1.  (a)  circle   (b)  rectangle   (c)  triangle   (d)  square  groups      each group      objects
                   (e)  oval                                              (b)     3             9           3 × 9 = 27
                 3.  (a)  square   (b)  rectangle   (c)  circle   (d)  triangle
                   (e)  oval                                            (c)       2             8           2 × 8 = 16
              think tank (Page 122)                                 Challenge Question (Page 138)
                   Notebook, iPad/tablet, photo frame, etc. (Answer may vary)  1.  30    2.  2, as 2 + 2 = 2 × 2 = 4
              Practice time 8C                                        3.  1 × 27, 3 × 9, 9 × 3, 27 × 1
                 1.  (a)  cone   (b)  sphere   (c)  cylinder   (d)  cube  Mental Maths (Page 138)
              Challenge Question (Page 124)                           1.  12 wheels   2.  35 days   3.  6 times   4.  70 Pages
                   A cylinder. It evenly distributes the weight because it has no pointed   5.  16 dots
                   corners.                                                        Chapter 10. Measurement
              think tank (Page 125)                                 Get Ready!
                   (c)  Book                                          1.
              Mental Maths (Page 127)                                   shorter     2.  bigger   3.  lighter   4.  more
                 1.            2.          3.  9       4.  ACDE     Practice time 10a
                                                                      2.  (a)  5    (b)  10     (c)  6
                                                                        l  Paintbrush   l  Toothbrush
                                                                      3.  (a)  5    (b)  3      (c)  4      (d)  2
                                                                        l  Flute    l  Glass
              Chapter assessment                                    think tank (Page 143)
                 1.  (d)       2.  (d)                                1.  No        2.  It will depend on their sizes.
                 3.  (a)  Slide   (b)  Roll   (c)  Both
              Challenge Question (Page 129)                         Practice time 10B
                 1.  (a) A rectangle has opposite sides equal but a square has all sides equal.  1.  (a)  Lunch box   (b)  Duck
                   (b)  A cone has one circular base  and a cylinder has two circular bases.  Practice time 10C
                 2.  (d)                                              1.  7         2.  1       3.  4       4.  5
                              Chapter 9. Multiplication             think tank (Page 145)
                                                                      1.  (a)  less   (b)  more   (c)  less
              Get Ready!                                               2.   Bucket
                 1.  15        2.  3 + 3 + 3 + 3 = 12 parrots       Practice time 10e
              Practice time 9a                                        2.  (a)  20   (b)  2      (c)  4
                 1.  6 + 6 + 6 = 18 water bottles; 3 groups of 6 = 18  Mental Maths (Page 147)
                 2.  7 + 7 + 7 + 7 = 28 apples; 4 groups of 7 = 28
                 3.  3 + 3 + 3 + 3 + 3 = 15 balls; 5 groups of 3 = 15   Anu
              Challenge Question (Page 132)                         Challenge Question (Page 147)
                   (b)  30                                            1.  12 glasses   2.  (b) 2 times
              Practice time 9B                                      Chapter assessment
                 1.  (b)  4 + 4 + 4 + 4 = 16; 4 times 4 = 16  (c)  5 + 5 + 5 = 15; 3 times 5 = 15  1.  (b)    2.  (b)   3.  (b)   4.  (a) 6   (b)  5



              Mathematics-1                                                                                         179
   176   177   178   179   180   181   182