Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
7th November 2013
- 1Bounds2 marks
A mass is 18.5 kg, correct to 1 decimal place. Write down the upper bound.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + x - 1, work out y when x = 3.
- 3Repeated Percentage Change3 marks
A town's population is 16000 and grows by 8% each year. Work out the population after 3 years, to the nearest whole number.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 14 cm and angle 240°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
20 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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