Daily Practice · Higher

Daily Practice - Higher

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

31st December 2011

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

1
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = 2x + 7 that passes through (6, 19).
2
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 54. Work out y when x = 9.
3
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 8 cm, 15 cm and 17 cm. Work out the angle opposite the 8 cm side, to 1 decimal place.
4
Probability Trees3 marks
A bag holds 8 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
5
Box Plots2 marks
A box plot has minimum 15, lower quartile 23, median 32, upper quartile 42 and maximum 45. Work out the interquartile range.

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