Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
20th April 1999
- 1Forming and Solving Equations3 marks
The angles in a triangle are 3x°, x° and (x + 20)°. Form an equation and work out x.
- 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.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 2. The smaller has an area of 19 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 500 times. How many heads would you expect?
- 5Box Plots2 marks
A box plot has a minimum of 16 and a maximum of 57. Work out the range.
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