Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
11th December 2001
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 + 15x + 54.
- 2Compound Interest and Depreciation3 marks
£5400 is invested at 3% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of alternate angles is 112°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 4 red and 6 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Scatter Graphs2 marks
A scatter graph plots a person's shoe size and their height. What type of correlation would you expect?
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