Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
3rd February 2011
- 1Fractional and Negative Indices3 marks
Work out 16^(3/2).
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 8x - 12, work out y when x = 1.
- 3Repeated Percentage Change3 marks
A town's population is 20000 and grows by 8% each year. Work out the population after 4 years, to the nearest whole number.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 4 cm and angle 240°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
28 students study Spanish and 8 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of February 2011, including the monthly compilation PDF.