Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
6th October 2009
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 4x^2 - 4.
- 2Compound Interest and Depreciation3 marks
£1900 is invested at 2.5% compound interest per year. Work out the value after 5 years, to the nearest penny.
- 3Area and Perimeter2 marks
A triangle has a base of 8 cm and a perpendicular height of 16 cm. Work out its area.
- 4Probability Trees3 marks
A bag holds 6 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Averages from Frequency Tables3 marks
In a survey 4 households own 1 car, 6 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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