Page 214 - ICSE Math 4
P. 214

6. (a)  2,700    (b) 4,200       (c) 9,600            (j) Quo  ent = 207, Remainder = 1
                      7. (a)  1,20,000   (b) 1,60,000   (c) 60,000          (k) Quo  ent = 173, Remainder = 2
                                                                            (l) Quo  ent = 107, Remainder = 1
                                    Chapter 6: Division
                                                                        Exercise 6.7
                    Exercise 6.1
                                                                          1.  (a)  41 tents; 2 children
                      1.  There will be 4 boxes. So, 12  4 = 3.
                                                                             (b)  29 packets; yes; 4 chocolates
                     2.  (b)  24  6 = 4
                                                                            (c)  35 bags         (d) 40 boxes
                            4 video games in each group.
                                                                            (e)  15 strawberries   (f) 35 bags
                        (c) 16  4 = 4
                                                                          2.  (a)  9   (b) 12      (c) 19     (d) 20
                            Number of groups formed = 4
                                                                             (e) 33     (f) 46    (g) 45      (h) 260
                        (d) 36  6 = 6
                                                                        Review Exercise
                            Number of groups formed = 6
                                                                          1.  (a)  3   (b) 4       (c) 4      (d) 70
                    Exercise 6.2
                                                                          2.  (a)  5   (b) 3       (c) 6      (d) 6
                     1.  (a)  28  7 = 4 (b) 12  3 = 4  2. 7 friends
                                                                         3.  (a)  72  9 = 8, 72  8 = 9  (b)  42  7 = 6, 42  6 = 7
                      3.  (a)  7   (b) 4      (c) 4       (d) 8
                                                                            (c) 40  8 = 5, 40  5 = 8  (d)  20  5 = 4, 20  4 = 5
                         (e) 7      (f) 5     (g) 12      (h) 11
                                                                          4.  (a)  6   (b) 7       (c) 9      (d) 9
                    Exercise 6.3                                         5.  (a)  Quo  ent = 22, Remainder = 2
                     1.  (a)  462 (b) not possible (c) 1 (d) 0              (b) Quo  ent = 31, Remainder = 1
                        (e) 1 (f) 5,167                                     (c) Quo  ent = 101, Remainder = 2
                     2.  (a)  1 (b) 0 (c) 1,132 (d) 5,421 (e) 1             (d) Quo  ent = 209, Remainder = 0
                         (f)  any number except 0                           (e) Quo  ent = 116, Remainder = 4
                    Exercise 6.4                                            (f) Quo  ent = 76, Remainder = 8
                      1.  (a)  9 × 4 = 36, 4 × 9 = 36 (b) 7 × 6 = 42, 6 × 7 = 42  (g) Quo  ent = 44, Remainder = 7
                         (c)  6 × 4 = 24, 4 × 6 = 24 (d) 8 × 5 = 40, 5 × 8 = 40  (h) Quo  ent = 109, Reminder = 5
                     2.  (a)  56  8 = 7, 56  7 = 8 (b) 45  9 = 5, 45  5 = 9    6.  (a)  105 packets   (b)  35 rows; 1 person
                        (c) 32  8 = 4, 32  4 = 8 (d) 36  4 = 9, 36  9 = 4      (c)  28 boxes   (d) 22 children
                                                                          7.  (a)  9   (b) 4       (c) 104    (d) 66
                    Exercise 6.5
                      1.  (a)  4   (b) 8   (c)  10  (d) 6   (e)  5   (f) 8  Values and Life Skills
                         (g)  9   (h) 8   (i)  9   (j) 9   (k)  9   (l) 7    1.  4 days     2.  ` 8
                     2.  (a)  Quo  ent = 24, Remainder = 1               3.   S  ckers Ajay le   with: 525; S  ckers Ajay gave to his
                        (b) Quo  ent = 12, Remainder = 2                    sister: 175
                        (c) Quo  ent = 23, Remainder = 0                Progress Worksheet
                        (d) Quo  ent = 30, Remainder = 1                  1.  There will be 3 boxes. Thus, 12 ÷ 3 = 4.
                        (e) Quo  ent = 8, Remainder = 3                  2.  (a)  15  5 = 3  (b) 28  2 = 4
                        (f) Quo  ent = 17, Remainder = 2                  3.  18 ÷ 6 = 3
                        (g) Quo  ent = 12, Remainder = 0                  4.  (a)  4 × 9 = 36, 9 × 4 = 36   (b)  8 × 7 = 56, 7 × 8 = 56
                        (h) Quo  ent = 14, Remainder = 1                  5.  (a)  3   (b) 4       (c) 4      (d) 7
                        (i) Quo  ent = 13, Remainder = 1                  6.  (a)  40 ÷ 5 = 8        (b)  64 ÷ 8 = 8
                        (j) Quo  ent = 22, Remainder = 1                 7.  (a) Quo  ent = 17; Remainder = 4
                        (k) Quo  ent = 19, Remainder = 4                    (b) Quo  ent = 232; Remainder = 0
                        (l) Quo  ent = 11, Remainder = 1                    (c) Quo  ent = 189; Remainder = 0
                    Exercise 6.6                                            (d) Quo  ent = 163; Remainder = 4
                      1.  (a)  64   (b) 61    (c) 263     (d) 101        8.  21 chocolates
                     2.  (a)  Quo  ent = 16, Remainder = 0
                                                                                   Chapter 7: Factors and Mul  ples
                        (b) Quo  ent = 14, Remainder = 1
                        (c) Quo  ent = 15, Remainder = 1                Exercise 7.1
                        (d) Quo  ent = 52, Remainder = 3                  1.  (a)  1, 2, 7, 14 and 28   (b)  1, 2, 3, 4 and 6
                        (e) Quo  ent = 121, Remainder = 2                    (c)  1, 2, 4, 8 and 16   (d)  1, 3, 9, 27 and 81
                        (f) Quo  ent = 41, Remainder = 3                     (e)  1, 2, 4, 8 and 16   (f)  1, 2, 3, 6 and 26
                        (g) Quo  ent = 115, Remainder = 0                    (g)  1, 2, 4, 37 and 74   (h)  1, 2, 4, 7 and 28
                        (h) Quo  ent = 139, Remainder = 3                    (i)  1, 2, 4, 5 and 10   (j)  1, 2, 3, 4 and 6
                        (i) Quo  ent = 100, Remainder = 6                    (Answers may vary)

                204
   209   210   211   212   213   214   215   216   217   218   219