Foundation
8th October 1987
- 1Forming and Solving Equations3 marks
The angles in a triangle are 2x°, 2x° and (x + 15)°. Form an equation and work out x.
- 2Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 2.5 cm apart on the map. How far apart are they in real life, in km?
- 3Angles2 marks
Two of the angles in a triangle are 89° and 42°. Work out the third angle.
- 4Averages3 marks
Here are seven numbers: 5, 2, 19, 28, 14, 17, 22. Work out the median and the range.
- 5Averages from Frequency Tables3 marks
In a survey 2 households own 1 car, 6 own 2 cars and 9 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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