Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
28th November 2000
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 6.
- 2Compound Interest and Depreciation3 marks
£2300 is invested at 2% compound interest per year. Work out the value after 5 years, to the nearest penny.
- 3Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 15 cm. Work out the other shorter side.
- 4Probability Trees3 marks
A bag holds 8 red and 4 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Averages from Frequency Tables3 marks
In a survey 7 households own 1 car, 8 own 2 cars and 2 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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