Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
11th October 2007
- 1Changing the Subject of a Formula3 marks
Make x the subject of y = 6x^2 - 12.
- 2Speed and Density2 marks
A block has volume 195 cm^3 and density 3 g/cm^3. Work out its mass.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 4 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 250 times. How many heads would you expect?
- 5Averages from Frequency Tables3 marks
In a survey 8 households own 1 car, 5 own 2 cars and 8 own 3 cars. Work out the mean number of cars, to 2 decimal places.
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