Page 192 - Mathematics Coursebook
P. 192

End of year review








               1  Look at the numbers in the box.
                 Write down the numbers from the box that are:                 2  5  8  9  12  15  18  29  36  51
                  a  multiples of 4
                  b  factors of 30
                  c  prime numbers
                  d  square numbers.
               2  Copy these finite sequences and fill in the missing terms.


                  a  3, 7,  , 15,  , 23, 27         b  31, 28, 25,  ,  , 16,
               3  Write down the value shown on each of these scales.

                         Linear scale     Vertical scale     Circular scale
                                           ml                   40
                   cm  3 2        3 3     200
                                                            30  kg    50
                                          100

                                            0
               4  Write these temperatures in order of size, starting with the lowest.
                 5 °C      −3 °C     2 °C     −6 °C     −15 °C     12 °C     −1 °C     9 °C     −7 °C

               5  A card has a right-angled triangle and a circle drawn on it.
                 The card is turned three times, as shown.






                 Copy the diagram. Draw the missing triangle on each of the cards.

               6  Work these out.
                  a  34 × 10       b  1700 ÷ 100    c  2.6 × 100     d  27 ÷ 1000

               7  A company employs nine people.
                 The table shows how many days each person was late to work, in one year.

                             Person             Eleri   Gill  Shona   Sam     Lin    Rao    Sion   Alun   Max

                   Number of days late to work    2      0      10      0      4      1      6       4      0

                  a  Work out:     i  the mode      ii  the median.
                  b   Shona says: ‘The mean number of days             Number of days people were late to work in one year
                     people were late to work is 12.’             10
                   i   Without actually working out the            8
                        mean, how can you tell that Shona is     Number of days  4
                        wrong?
                    ii   Work out the correct mean number
                        of days people were late to work.          0  Eleri  Gill  Shona Sam  Lin  Rao  Sion  Alun  Max
                  c  Copy and complete this bar chart to                                    Person
                     show the information in the table.
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