Daily Practice · Higher

Daily Practice - Higher

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

16th December 2006

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 = 4, y = 128. Work out y when x = 5.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 6 cm and an angle of 35°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
1 of 9 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 7, lower quartile 17, median 22, upper quartile 29 and maximum 34. Work out the interquartile range.
5
Standard Form2 marks
Work out (6 x 10^8) x (8 x 10^-6). Give your answer in standard form.

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