Page 50 - Viva
P. 50

2.  Find the difference.

                    (a)  246 – 95                   (b)  401 – 372                   (c)  378 – 189

                   (d)  767 – 84                    (e)  672 – 409                   (f)  934 – 680

              3.  Solve the following.

                    (a)  165 + 438 – 106                          (b)  249 + 159 – 370
                    (c)  673 + 154 – 245 – 78                     (d)  920 – 435 + 117 – 20


              4.  Do as instructed.
                    (a)  Take away 374 from 523.

                   (b)  Which is greater: 598 + 367 or 923 – 143?


              5.  Subtract the following numbers using the expanded form.
                    (a)  985 – 760                  (b)  278 – 45                    (c)  675 – 432


              6.  Subtract the following using estimation method by rounding off to the nearest 10
                   and compare with the actual value.

                    (a)  35 from 272                (b)  440 from 836                (c)  676 from 840

              7.  Subtract the following using estimation method by rounding off to the nearest
                   100 and compare with the actual value.

                    (a)  676 from 794               (b)  548 from 658                (c)  378 from 935


              8.  Solve the following word problems.
                    (a)  There are 794 books in a library. If 94 books are issued to the students, how
                        many books are left in the library? If 264 new books are added, then what will
                        be the total number of books in the library?

                   (b)  The price of a shirt is ` 873 in a shop and ` 914 in another shop. What is the
                        difference in the prices of shirts in the two shops?

                    (c)  Shalini  had  654  candies  with  her.  She  gave  240  candies  to  her  friends.
                        How many candies were left with her?

                   (d)  Manav buys a shirt for ` 375. He gives a ` 500 note to the shopkeeper. How
                        much money will he get back?
                    (e)  Ayushi purchased a bracelet, a handbag and a t-shirt for ` 987. She purchased

                        the bracelet for ` 375 and handbag for ` 450. How much money did she pay for
                        the t-shirt?

              9.  Subtract the following numbers mentally using any two suitable methods.

                    (a)  65 – 48                    (b)  83 – 38                     (c)  57 – 32


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