Page 152 - ICSE Math 4
P. 152

Exercise 11.9




                     1.  Mul  ply the following.

                           (a)  9 L 315 mL by 12                          (b)  8 L 103 mL by 7
                            (c)  12 L 362 mL by 13                        (d)  23 L 149 mL by 6

                           (e)  6 L 480 mL by 9                            (f)  13 L 25 mL by 5


                      2.  Divide the following.
                           (a)  14 L 64 mL by 4                           (b)  8 L 134 mL by 7

                            (c)  6 L 355 mL by 5                          (d)  43 L 540 mL by 7

                           (e)  73 L 424 mL by 2                           (f)  3 L 798 mL by 6

                      3.  Solve the following word problems.

                           (a)  Shreya drinks 550 mL of milk daily. What quan  ty of milk will she drink in a
                                week?

                           (b)  Mary bought 3 bo  les of juice which contained 3 L 375 mL of juice, how much
                                quan  ty of juice was there in each bo  le?

                            (c)  Varun has ordered 12 packs of juices. If each pack has 250 mL of juice, how
                                much juice has he ordered?

                           (d)  The capacity of a jar is 1 L 875 mL. Anuja fi lls the jar completely by pouring
                                3 glasses of water in it. Find the capacity of the glass that she used to fi ll the
                                jar.

                    Estimation and Verifi cation of Length, Weight and Capacity


                    We can es  mate the length, weight and capacity of any object, using approximate values
                    for measurements. For example, width of a fi nger as a measure of cen  metres, the length
                    from your shoulder to your fingertips as a measure of metres, a small paper clip as a
                    measure of grams, a large so   drink bo  le as a measure of litres and a spoonful of cough
                    syrup as a measure of millilitres.

                    Can you es  mate the length, weight and capacity of the following objects?




                                                                     Sugar




                                         Length                     Weight                   Capacity

                142
   147   148   149   150   151   152   153   154   155   156   157