Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 64. Work out y when x = 3.
- 2Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 12 cm with an angle of 103° between them. Work out its area, to 1 decimal place.
- 3Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Box Plots2 marks
A box plot has minimum 12, lower quartile 21, median 30, upper quartile 35 and maximum 42. Work out the interquartile range.
- 5Reverse Percentages3 marks
A bill is £456 including VAT at 20%. Work out the amount before VAT.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of May 2016, including the monthly compilation PDF.