Daily Practice - Foundation Plus
Grades 4-6 - the Foundation / Higher crossover zone.
10th September 2010
- 1Probability Trees3 marks
A bag holds 2 red and 6 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 2Box Plots2 marks
A box plot has minimum 15, lower quartile 25, median 28, upper quartile 38 and maximum 43. Work out the interquartile range.
- 3Prime Factors, HCF and LCM3 marks
Write 90 as a product of its prime factors, using index form.
- 4Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = 20/x, work out y when x = -5, and write down the equation of its vertical asymptote.
- 5Proportion2 marks
6 identical batteries cost £7.80. Work out the cost of 12 of the same batteries.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of September 2010, including the monthly compilation PDF.