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Mathematics  Year 4  Practice 1  Numbers and Operations


                         Ten                                   10.  Division of any number with a number that is
                       thousands  Thousands Hundreds Tens Ones    up to two digits, 100 and 1 000.
                          1       4     1    3  2    5            Example:
                                          3     3    1            (a)  65 160 ÷ 20 = 3 258
                          3       4       2     5    2
                                                                            3 2 5 8
                    +     2       0       0     4    0                2 0  6 5 1 6 0
                          6       8       9     4    8
                                                                          6 0
                                                                            5 1
               	 8.  The  subtraction  of  two  numbers  from  one        – 4 0
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                    number.                                                 1 1 6
                    Example:                                              – 1 0 0
                    76 849 – 2 315 – 34 362 = 40 172                           1 6 0
                                                                             – 1 6 0
                                                                                  0
                         Ten
                       thousands  Thousands Hundreds Tens Ones
                          7       6       8      4   9            (b)  16 951 ÷ 9 = 1 883 remainder 4
                    –             2       3      1   5                      1 8 8 3
                          7       4     4    5   13  3  4               9  1 6 9 5 1
                    –     3       4       3      6   2                      9
                          4       0       1      7   2                      7 9
                                                                          – 7 2
                                                                               7 5
               	 9.  Multiplication of any number with a number             – 7 2
                    that is up to two digits, 100 and 1 000.                    3 1
                    Example:                                                   – 2 7
                    (a)  9 × 1 435 = 12 915                                       4  remainder

                            3  3 4

                            1  4 3 5                              (c)  23 000 ÷ 100 = 230
                        ×         9
                                                                  (d)  78 000 ÷ 1 000 = 78
                          1 2 9 1 5

                                                               11.  Combined  operations  of  addition  and
                                                                  subtraction or multiplication and division.
                    (b)  3 059 × 22 = 67 298                      Example:
                               1 1                                (a)  1 730 + 5 658 – 2 294 = 5 094
                                  3 0 5 9                         (b)  23 765 ÷ 35 × 18 = 12 222
                        ×       2 2
                            6 1 1 8                            12.  The use of unknown in the basic operations
                        + 6 1  1 8                                of addition and subtraction.
                          6 7 2 9 8                               Example of situation:
                                                                   Madam Fatimah bought 20 pencils and a few
                                                                  pens. The total of pencils and pens is 35.
                    (c)  100 × 758 = 75 800
                                                                   The  unknown  for  the  situation  above  is  the
                    (d)  35 × 1 000 = 35 000                      number of pens purchased.







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         01 Praktis Go Mate T4_p1-10.indd   2                                                           3/12/21   11:34 AM
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