Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Reverse Percentages3 marks
A bill is £768 including VAT at 20%. Work out the amount before VAT.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x + 1, work out y when x = -4.
- 3Repeated Percentage Change3 marks
A town's population is 16500 and grows by 8% each year. Work out the population after 6 years, to the nearest whole number.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 6 cm and angle 45°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
25 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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