Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th October 2014
- 1Fractional and Negative Indices2 marks
Write 4^-2 as a fraction.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 7x + 11, work out y when x = 4.
- 3Repeated Percentage Change3 marks
A town's population is 31000 and grows by 5% 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 3 cm and angle 120°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
16 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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