Foundation
18th October 1983
- 1Scale Drawings2 marks
A model of a bridge is built to a scale of 1 : 50. The real length is 1.5 m. How long is the model, in cm?
- 2Area and Perimeter2 marks
A rectangle has an area of 119 cm^2 and a width of 17 cm. Work out its perimeter.
- 3Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 100 times. How many heads would you expect?
- 4Scatter Graphs2 marks
A scatter graph plots a person's shoe size and their height. What type of correlation would you expect?
- 5Negative Numbers2 marks
At midnight the temperature in Buxton is -6°C. By noon it has risen by 20°C. What is the temperature at noon?
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