Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
31st March 2014
- 1Standard Form2 marks
Work out (8 x 10^3) x (2 x 10^5). Give your answer in standard form.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 8x + 1, work out y when x = 3.
- 3Repeated Percentage Change3 marks
A price rises by 15% and then falls by 10%. Work out the overall percentage change, to 2 decimal places.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 10 cm and angle 240°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
17 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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