Daily Practice · Higher

Daily Practice - Higher

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

3rd November 2018

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

1
Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has minimum 4, lower quartile 10, median 16, upper quartile 20 and maximum 25. Work out the interquartile range.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.9393... as a fraction in its simplest form.
4
Equation of a Line3 marks
A line has gradient 1 and passes through (4, 1). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 36. Work out y when x = 9.

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