Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th October 2003
- 1Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 168 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 2Bounds2 marks
A mass is 17.9 kg, correct to 1 decimal place. Write down the lower bound.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -2x - 1 that passes through (3, -4).
- 4Repeated Percentage Change3 marks
A price rises by 20% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 10 cm, 24 cm and 26 cm. Work out the angle opposite the 10 cm side, to 1 decimal place.
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