Foundation
24th August 1982
- 1Scale Drawings2 marks
A model of a narrowboat is built to a scale of 1 : 20. The real length is 2 m. How long is the model, in cm?
- 2Angles1 mark
Two angles sit next to each other on a straight line. One of them is 80°. Work out the other.
- 3Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 250 times. How many heads would you expect?
- 4Frequency Trees3 marks
100 people were surveyed. 30 were adults, of whom 5 said yes. 15 of the children said yes. How many said yes altogether?
- 5Using a Calculator2 marks
Work out (5 + 12 x 5) / 5, giving your answer to 2 decimal places.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1982, including the monthly compilation PDF.