5. 5th class have drawn up a league table to show the results of their Unihoc League. Goals


Teams Played Won Lost Draw Goals For


Lions 3


Panthers 3 Tigers


3 Gazelles 3


2 1 0 0


0 0 1 2


1 2 2 1


12 9 6 6


Against Points 8 6 9


10


5 4 2 1


Goal


Difference +4 +? – ? –?


Examine the table and then answer the questions that follow. a) Fill in the missing information in the table. goals scored for the team – goals scored against the team = goal difference For example: 12 – 8 = +4


b) Which teams did not win any matches? c) Name the team that scored the most goals.


d) In the Goal Difference column, how many goals separate the Lions from the Panthers?


e) How many goals separate the Tigers from the Gazelles? f) How many goals separate the Lions from the Gazelles? g) Which team won the Unihoc League? h) Draw a similar table to record the results of 1 of your own leagues in school.


Homework


1. Use positive or negative numbers to represent the following. a) 26 degrees above zero b) Diving at 12m below sea level c) Account overdrawn by €15 d) 1 fl oor below ground level on a lift e) 1000m above sea level


2. In Reykjavik, the morning temperature was –12°C. By midday the temperature had risen by 4°C. What was the temperature at midday?


3. Mr Rich had €35 in the bank. He wrote a cheque for €40 to pay a bill. What is his bank balance now?


180 Directed Numbers


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