Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
6th February 2006
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 17x + 72.
- 2Repeated Percentage Change3 marks
A town's population is 9500 and grows by 3% each year. Work out the population after 2 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 5. The smaller has an area of 20 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 100 times. How many heads would you expect?
- 5Scatter Graphs2 marks
A scatter graph plots how far a lorry has driven and the fuel left in its tank. What type of correlation would you expect?
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