Page 88 - SK Year 5 Mathematics DLP
P. 88

CONVERT MIXED NUMBERS AND PERCENTAGES



                 1
                                                             State the fraction of the completed
                         One picture is                      jigsaw puzzle in percentage.
                          completed.                           1
                                                              1   =       %
                                                               4





                                                                                          100
                                                                                     1 =       = 100%
                                                                                          100










                                                                                      1 × 25     25
                                                                                     4 × 25   =  100
                                                                                              = 25%

                              Another picture is only
                              a quarter completed.              1
                                                               1   =  125  %
                                                                4
                                                    125% of jigsaw puzzle is completed.


                                 3
                 2  Convert  2    to percentage.
                                10
                       3
                     2   =        %
                       10
                                      2
                                 3
                 Method 1     2   =   +    3                   Method 2
                                10    1    10
                                                                3         3
                                      2 × 100      3 × 10     2   = 2 +
                 convert to        =            +               10        10
                 fraction of          1 × 100     10 × 10
                hundredths            200     30                   = 2 + 0.3   convert to
                                                                                decimal
                                   =  100   +  100                 = 2.3

                                   = 200% + 30%                                            multiply
                                                                2.3 × 100% =             the decimal
                                   =                                                       by 100%


             80                1.1.2   • Use the 100-squared grid to enhance pupils’ understanding
                                     • Beri penekanan bahawa nilai yang melibatkan 0 pada nilai tempat
                              2.3.1
                              (i), (ii)
                                       regarding fractions of hundredths.
                                       mesti ditulis apabila mencerakinkan nombor kepada nilai tempat.
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