Daily Practice · Higher

Daily Practice - Higher

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

12th February 2005

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 252. Work out y when x = 9.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 9 cm and an angle of 62°. Work out the side opposite that angle, to 1 decimal place.
3
Probability Trees3 marks
6 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 5, lower quartile 8, median 13, upper quartile 17 and maximum 20. Work out the interquartile range.
5
Bounds2 marks
A mass is 27.1 kg, correct to 1 decimal place. Write down the lower bound.

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