Foundation
6th March 1985
- 1Angles2 marks
Two of the angles in a triangle are 78° and 47°. Work out the third angle.
- 2Probability (Foundation)2 marks
A bag holds 9 red, 5 blue and 7 green counters. One is taken at random. Work out the probability it is red.
- 3Averages from Frequency Tables3 marks
In a survey 9 households own 1 car, 2 own 2 cars and 5 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 4Prime Factors, HCF and LCM3 marks
Write 54 as a product of its prime factors, using index form.
- 5Writing an Expression2 marks
A rectangle is x cm wide and 9 cm longer than it is wide. Write a simplified expression for its perimeter.
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