Daily Practice · Higher

Daily Practice - Higher

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

9th February 2014

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

1
Probability Trees3 marks
6 of 9 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 a minimum of 12 and a maximum of 32. Work out the range.
3
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
4
Equation of a Line3 marks
A line has gradient -3 and passes through (4, -3). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 10. Work out y when x = 5.

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