Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

31st May 2003

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 20 cm, 21 cm and 29 cm. Work out the angle opposite the 20 cm side, to 1 decimal place.
2
Probability Trees3 marks
A bag holds 6 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 12, lower quartile 15, median 23, upper quartile 29 and maximum 33. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 36^(3/2).
5
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x - 9 that passes through (4, 13).

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