Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
5th January 2008
- 1SOHCAHTOA (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.
- 2Probability Trees3 marks
A bag holds 3 red and 9 blue counters. Two are taken without replacement. Work out the probability both are red.
- 3Box Plots2 marks
A box plot has minimum 12, lower quartile 17, median 27, upper quartile 34 and maximum 43. Work out the interquartile range.
- 4Standard Form2 marks
Work out (2 x 10^7) x (5 x 10^-4). Give your answer in standard form.
- 5Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -3x + 7 that passes through (5, -17).
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