Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
4th December 2017
- 1Standard Form3 marks
Work out (49 x 10^11) / (7 x 10^4). Give your answer in standard form.
- 2Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 7x + 5, work out y when x = 5.
- 3Repeated Percentage Change3 marks
A price rises by 25% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
- 4Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 4 cm and angle 90°. Work out its area, to 1 decimal place.
- 5Conditional Probability3 marks
22 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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