Page 193 - Mathematics Coursebook
P. 193

8  Write the symbol <, > or = between the numbers in each pair.

                             1
                  a  50%           b  10%   0.2     c   1     0.2    d  0.75     3
                             2                          4                       4
               9  Make an accurate drawing of the triangle sketched here.





                     45°               60°
                             8 cm
               10 Work these out.

                         1
                  a   4 <          b   2 1          c   2   of 30 kg

                     5   5            3   6            5
               11 This pattern is made from squares.





                 Pattern 1      Pattern 2          Pattern 3
                  a  Draw the next two patterns in the sequence.
                  b  Copy and complete the table to show the number of squares in each pattern.

                      Pattern number         1          2          3          4          5
                    Number of squares        3          5          7


                  c  Write down the term-to-term rule.
                  d  How many squares will there be in:
                   i  Pattern 8        ii  Pattern 10?
               12 In a supermarket there are four bags of flour.


                                   2.5 kg. 2.5 kg.

                                   FLOUR                           1500 g
                                   FLOUR
                                                       0.8 kg
                                                                   FLOUR
                      250 g.
                                                       FLOUR
                      FLOUR
                     250 g           2.5 kg           0.8 kg      1500 g
                 Serena want to buy the bag of flour with mass as close as possible to 1.2 kg.
                 Which bag of flour do you suggest she buys?
                 Explain your answer.
               13 Copy each of these shapes.
                 Draw all the lines of symmetry onto each shape.









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