Daily Practice · Higher

Daily Practice - Higher

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

24th March 2018

5 questions · 14 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 = 5, y = 75. Work out y when x = 4.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 9 cm and 7 cm with an angle of 146° between them. Work out its area, 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 7, lower quartile 17, median 22, upper quartile 28 and maximum 38. Work out the interquartile range.
5
Standard Form3 marks
Work out (16 x 10^6) / (8 x 10^4). Give your answer in standard form.

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