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    Exercise 5I                                            7.    1
                      1.  +, 14 pencils   2.  ×, 10 mangoes   3.  –, 7 oranges  3
                      4.  ÷, 3 toffees   5.  –, 7 students   6.  ×, ` 40    8.          Figure           a   b  c  d   e  f
                      7.  +, 29 carrots   8.  ÷, 2 towers                    Number of shaded parts (Numerator)  1  4  4  7  4  3
                    Learning Logs                                            Number of parts in all (Denominator)  4  12  9  15  8  8
                      2.  a.  2   b. 9   c.  6   d.  12                                                   1  4  4   7  4  3
                      3.  a.  45   b. 30   c.  126   d.  78                  Fraction for shaded parts   4   12  9  15  8  8
                      4.  a.  7   b. 13   c.  8   d.  29   e.  9   f.  10                                            1
                       g.  27   h. 12                                       9.  a.  6 biscuits   b.  6 biscuits         10.   6
                      5.  a.  12 weeks     b.  `20   c.  12 trees        Exercise 6B       2           6
                                                                               2
                       d.  `90   e. 108 children, 1 notebook               2.  a.   4        b.   5     c.   9
                      6.  a.  False  b. True   c.  False   d.  True   e.  False    3.  b.  12 ÷ 2 = 6,   of 12 = 6  c. 6 ÷ 2 = 3,   of 6 = 3  d. 14 ÷ 2 = 7,   of 14 = 7
                                                                                                                      1
                                                                                                      1
                                                                                      1
                    Puzzle                                                            2               2               2
                                                                                      1
                                                                                                      1
                                                                                                                      1
                      1. 637   2. a. 28 cookies   b.  21 cookies           4.  b.  15 ÷ 3 = 5,   of 15 = 5  c. 12 ÷ 3 = 4,   of 12 = 4  d. 6 ÷ 3 = 2,   of 6 = 2
                                                                                      3
                                                                                                      3
                                                                                                                      3
                    Mental Maths                                                      1               1               1
                                                                                                      4
                                                                                                                      4
                                                                                      4
                      1.  a.   1  3    b.   1  8  c.   4 8    d.   8 9     5.  b.  12 ÷ 4 = 3,   of 12 = 3  c. 16 ÷ 4 = 4,   of 16 = 4  d. 8 ÷ 4 = 2,   of 8 = 2
                          5 6 5       7  1  2 6   2 9 6      9 8 0   1   Exercise 6C
                                                                                               9
                                                                                  3
                      2.  a.    1 1 9     b.   1 2 6     c.   1 0 5        1.  10, 7, 3,  10    2.  16, 9,  16    3.  a. 9 toffees  b.  6 toffees
                                                                                                       17
                          2   2 3 8       4   5 0 5      6   6 3 5         4.  a.  `60    b.  `30   5.   32
                            – 2             – 4            – 6           Learning Logs
                             0 3              1 0            0 3
                              – 2             – 8            – 0           1.  a.   5 9        b.   2 9     c.   8 9
                                1 8             2 5            3 5         3.  a.   2        b.   1     c.   3
                              – 1 8           – 2 4          – 3 0             5           4          20
                                 0                1              5         4.  a.  Three   b.  Two   c.  Four   d.  Nine
                    Hots                                                     e.  Five    f.  Eight
                      1.             8  ÷   4  =  2                                        12
                                            ×                              5.  a.  5 bananas   b.   20    c.  3 toffees   d.  3 candles
                                                                                           6
                                                                               8
                              35     60  ÷  10  =  6                         e.   16       f.   13
                               ÷            =     ÷
                                                                         Mental Maths
                               5  ×  8  =  40     1
                                                                            1.  c       2.  a    3.  d     4.  b     5.  b
                               =                  =                      Hots
                        56  ÷  7  =  8     12  ÷  6  =   2
                                                                         Anuj: 14 balls, Kareem: 6 balls, Kavita: 10 balls
                      2.             36  ÷  9  =  4
                                            ×                                            Chapter 7: Geometry
                              30     12  ÷  2  =  6                      Warm Up
                               ÷            =     ÷                        2.  a.  Square, two-way traffic ahead    b.  Square, petrol pump
                               3  ×  6   =  18    1                          c.  Triangle, left-turn     d.  Circle, no horn
                               =                  =
                                                                         Exercise 7A
                        60  ÷  10  =  6    36  ÷  6   =  6
                                                                           1.  Shapes  Number  Number of   Number of  Number   Number
                    Fun Activity                                             a. Cuboid  of faces plane faces curved faces of edges of vertices
                                                                                                                 12
                                                                                                         0
                                                                                         6
                                                                                                                        8
                                                                                                6
                      1.  A    E    F    B    C    G    H    L    K    P    T
                                                                             b. Cube     6      6        0       12     8
                                    Chapter 6: Fractions                     c. Cylinder  3     2         1      2      0
                    Warm Up                                                  d. Cone     2       1        1      1      1
                      1.  one, four
                                                                           2.  a.  Yes    b.  No    c.  No      d.  Yes
                      2.  a.       b.          c.         d.                 e.  No      f.  1      g.  2       4.  Cube, cuboid
                    Exercise 6A                                            5.  a.        b.         c.          6.  b
                      1.  a.  Yes    b.  No    c.  No     d.  No           7.  a.  3   b. 3   c.  4   d.  2   e.  10
                      2.
                                                                         Exercise 7B
                                                                           1.  a.  ii      b.  iv   c.  i       d.  iii
                       1

                      3.   of shape (a), (b) and (d) are coloured.         2.  a.  Circle   b.  Rectangle   c.  Square  d.  Triangle
                       2
                                                                                                    c.  Circle
                                                                           3.  a.  Square
                                                                                        b.  Rectangle
                     6.    Numbers of   Total number   Fraction for   Fraction for     4.  a.  5      b.  4   c.  8
                         coloured parts of equal parts coloured parts uncoloured parts    5.  a.  3      b.  3  c.  Circle   d.  Rectangle
                                                                           8.  a.  Rectangle
                                                                                        b.  Rectangle
                       a.     3          8          3           5            e.  Circle   f.  Triangle
                                                    8           8          9.  a.  Rectangle   b.  Triangle   c.  Circle   d.  Square
                       b.     3          5          3 5         2 5       10.  a.       Number of square corners = 2
                       c.     4          8          4           4                              Number of less than square corners = 1
                                                                                         Number of more than square corners = 1

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                                                                                                     Answers

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